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'Like putting a microscope into the core of the sun': World's 1st space-based neutrino detector launches to orbit

By Tereza Pultarova Published 13 May 26

The world's first space-based neutrino detector launched to space this month to study elusive neutrino particles that constantly bombard Earth.

Hunting cosmic ghosts: Why neutrino detection won the Nobel Prize in Physics

By Robert Lea Published 6 October 26

The 2026 Nobel Prize in Physics has been awarded to Francis Halzen for the detection of "ghost particle" neutrinos from the depths of space by the IceCube observatory at the South Pole.

5 Comments
Why scientists are so excited about the highest-energy 'ghost particle' ever seen

By Keith Cooper Published 16 May 25

Scientists have found a neutrino that could come from a gamma-ray burst, an active black hole or a collision between a cosmic ray and photons in the cosmic microwave background.

Scientists detect highest-energy ghost particle ever seen — where did it come from?

By Robert Lea Published 12 February 25

"History shows us that whenever you do open a new 'energy window,' you never really know what you're going to find. It's completely unexplored."

Why is the universe made of matter? These 'ghost particle' experiments could help us find out

By Sharmila Kuthunur Published 4 December 25

A new joint analysis from the NOvA and T2K experiments offers the most precise look yet at neutrino behavior, bringing scientists closer to understanding why the universe is made of matter.

Flavor-changing 'ghost particles' may reveal which stars go supernova — and which turn into black holes

By Charles Q. Choi Published 20 September 26

"Neutrinos are not a side detail in supernovas."

3 Comments
Most powerful 'ghost particle' ever may have come from a cosmic particle accelerator fed by a black hole

By Robert Lea Published 28 May 26

"We have never observed such a high-energy neutrino before, and if it turns out to come from cosmic accelerators like blazars, it would give us new insight into how these objects can emit particles at energies beyond what we previously expected."

5 Comments
Astronomers may have heard the 1st 'whispers' of ghost particles created by supernova explosions

By Robert Lea Published 10 July 26

The universe is haunted by "cosmic ghosts" called neutrinos, which seem to be the "whispers" of stars that died in supernova explosions over the course of billions of years.

8 Comments
Scientists trace high-energy ghost particle to the 'Shadow Blaster' galaxy

By Robert Lea Published 18 June 26

"If confirmed, Shadow Blaster would be the first-ever individual dusty star-forming galaxy directly linked to a high-energy neutrino event."

2 Comments
'Ghost particles' can zoom through you without a trace. Scientists are getting to the bottom of this cosmic mystery

By Robert Lea Published 31 October 25

Scientists are searching for answers in the cosmic mystery of ghost particles known as neutrinos.

3 Comments
Black holes buried in mysterious 'little red dot' galaxies could blast cosmic ghosts at Earth

By Robert Lea Published 6 July 26

Mysterious "little red dots" discovered in the early universe by the James Webb Space Telescope could harbor buried black holes that fire high-energy neutrinos through the cosmos.

Dead stars within supernova explosions could solve the dark matter mystery in 10 seconds

By Robert Lea Published 29 November 24

If astronomers could catch bursts of gamma rays from supernova explosions that create neutron stars near the Milky Way, the mystery of dark matter could be wrapped up in 10 seconds.

The universe's most extreme dead stars can form from vampire white dwarfs — and scientists finally know how

By Robert Lea Published 16 September 26

Some vampire white dwarfs that feed on companion stars can transform into neutron stars, but like a cosmic Goldilocks, conditions must be "just right" for this extreme makeover.

How 2024 brought us deeper into the world of particle physics

By Keith Cooper Published 25 December 24

Dark matter, antimatter, W bosons and neutron lifetimes all feature in our top 10 stories.

Mysterious radio pulses detected high above Antarctica may be evidence of an exotic new particle, scientists say

By Robert Lea Published 17 June 25

A mystery signal detected high in the sky above Antarctica defies current models of physics and could represent a new particle, scientists say.

12 Comments
'It would be a fundamental breakthrough': Mysterious dark matter may interact with cosmic 'ghost particles'

By Robert Lea Published 5 January 26

"If this interaction between dark matter and neutrinos is confirmed, it would be a fundamental breakthrough."

3 Comments
These 5 particles are so strange, we're not sure they exist

By Paul Sutter Published 24 December 24

Scientists theorize there could be subatomic particles we have yet to discover. Here are five of the weirdest, rarest hypothetical particles in the universe.

What old, dying stars teach us about axions as a candidate for dark matter

By Paul Sutter Published 24 December 25

The axion could be a contender to explain the mystery of dark matter.

Is dark matter made of mysterious 'ghost particles?' Galaxy clusters could hold the answer

By Robert Lea Published 9 January 26

"WIMPs are still the leading candidate for dark matter, but billions of dollars of experiments have been done, only getting stronger and stronger upper limits, so alternative scenarios have to be considered."

What happens inside neutron stars, the universe's densest known objects?

By Paul Sutter Published 28 April 25

Neutron stars are some of the weirdest cosmic objects, and the greatest mysteries lie deep in their hearts.

6 Comments
Hubble and NASA space telescopes track 'game-changing' gamma-ray burst back to neutron star collision in 'forbidden' region of the universe

By Robert Lea Published 13 March 26

Astronomers have tracked a powerful blast of radiation back to its source, finding a neutron star collision within colliding galaxies.

3 Comments
Deep underground, a telescope may soon detect ghosts of stars that died before Earth existed

By Pablo Martinez Mirave Published 15 March 26

With the help of an extremely powerful telescope deep underground in Japan, astronomers may be able to catch a glimpse of ghost particles from long-dead stars.

Did astronomers see a black hole explode? An 'impossible' particle that hit Earth in 2023 may tell us

By Robert Lea Published 5 February 26

"If our hypothesized dark charge is true, then we believe there could be a significant population of primordial black holes, which would be consistent with other astrophysical observations, and account for all the missing dark matter in the universe."

8 Comments
Astronomers discover radio signals coming from rare 'Blue Eye Pulsar' after decades of silence

By Keith Cooper Published 6 July 26

Astronomers have detected radio signals coming from a long-dead neutron star known as the 'Blue Eye Pulsar' after searching for decades.

2 Comments
How compact can a neutron star get before collapsing into a black hole?

By Keith Cooper Published 24 October 25

This new analysis could be used to test the physics of quantum chromodynamics in the future.

17 Comments
Newly discovered 'cosmic unicorn' is a spinning dead star that defies physics: 'We have a real mystery on our hands'

By Robert Lea Published 18 July 25

Two teams of astronomers have simultaneously discovered a strange, spinning dead star that seems to defy our current understanding of both neutron stars and white dwarfs.

Astronomers discover a 'forbidden' pulsar fleeing a supernova in a seemingly empty region of the Milky Way

By Robert Lea Published 2 September 25

A neutron star-powered pulsar is fleeing a supernova explosion in the outskirts of the Milky Way, a low-density region where such events are "forbidden."

5 Comments
Accidental discovery reveals 'millinovas,' a new class of cosmic explosion 100 times brighter than the sun

By Robert Lea Published 23 December 24

Astronomers have accidently spotted a new type of cosmic explosion called a "millinova" triggered by white dwarfs feeding on stars. If that sounds familiar get ready for a suprise!

A state of matter last seen just after the Big Bang may exist inside neutron stars — and scientists think they can prove it

By Keith Cooper Published 15 March 26

As binary neutron stars spiral around each other to merge, their gravitational tidal forces distort each other's shape and structure, potentially revealing clues as to what lies within them.

'Anti-social' cosmic explosion could change the way we think about dying stars and supernovas

By Robert Lea Published 30 October 25

"Our scenario describes all the evolutionary phases of the supernova with great precision."

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