Blazar (art)

Black Holes

Giant Black Holes Make Tiny, Ghost-like Particles

Blazars, the gas-guzzling black holes at the center of galaxies, could make most of the tiny particles known as neutrinos we catch on Earth.

GMT

Astronomy in Space with David Dickinson

Astronomers Announce Priorities for Next Decade

The National Academy of Science detailed the direction for astronomy and astrophysics today for the coming decade.

Tidal disruption event

Black Holes

Star-shredding Black Hole Makes Ghostlike Particle

A single high-energy neutrino may shed light on a star being swallowed by a supermassive black hole some 690 million light-years away.

Identifying the IceCube neutrino

Astronomy & Observing News

IceCube Neutrino Offers New Eyes on the Cosmos

A combination of neutrino detection and observations across the full spectrum of light has pinpointed a cosmic accelerator for the first time, revitalizing multi-messenger astronomy.

IceCube neutrino telescope

Cosmology

Search for Fourth Neutrino Goes Cold

The Antarctic observatory known as IceCube has ruled out the existence of a fourth type of neutrino particle — and one-time dark matter contender — known as the light sterile neutrino.

blazar in IceCube field

Astronomy & Observing News

Where Big Bird Neutrino May Come From

Scientists might have found the source of an incredibly energetic particle that bored into the Antarctic ice sheet.

Professional Telescopes

South Pole Science

A behind-the-scenes look at the construction of the IceCube Neutrino Observatory in Antarctica, plus more information about science done at the South Pole. (This blog is an online companion to our January 2014 feature article on IceCube.)

Cosmology

Cosmic Ray Origin Still Mysterious

Observations out of Antarctica support the idea that the most energetic of the superspeedy space particles raining down on Earth are not from gamma-ray bursts. The new result prolongs a long-standing mystery in astrophysics.

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