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.

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.

Supernova simulation

Stellar Science

Simulation Sees Supernova Innards

A new computer simulation provides a brief glimpse at what makes stellar bombs tick.

Planck_polarization_image_of_BICEP2_field

Astronomy Questions & Answers

The Kavli Foundation Q&A: What Has Planck Taught Us About the Early Universe?

Scientist George Efstathiou weighs in on the latest results from the Planck satellite and what they say about cosmic inflation, the first stars, and more.

Perseus Cluster

Cosmology

Mysterious X-rays Might Hint at Dark Matter

Astronomers have discovered a spike of X-ray emission in galaxy clusters — “ordinary” interpretations don’t hold up, so some are turning to dark matter for answers.

Astronomy & Observing News

Closing In on Neutrino Properties

The heart of the Sudbury Neutrino Observatory is an acrylic sphere filled with heavy water and surrounded by photomultiplier tubes. These detect flashes of light produced when neutrinos interact with the water. This fisheye view was taken from beneath the sphere before the bottom panel of detectors was installed.Courtesy Ernest…

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