A joint Fermilab/SLAC publication
Photo of DECam locates asteroid

DECam pinpoints asteroid

When weather prevented other telescopes from tracking a potentially hazardous asteroid, the Dark Energy Camera stepped in.

Photo of Black widow pulsar

‘Black widow’ pulsars consume their mates

With a deadly embrace, ‘spidery’ pulsars devour their partners. One such pulsar is the first rapidly spinning black widow to be discovered using only gamma rays.

Image of gamma-ray-only pulsar

Scientists pinpoint ‘very peculiar’ pulsar

Scientists studying five years of data from the Fermi Gamma-ray Space Telescope have found the first gamma-ray variable pulsar. But is it really what it seems?

This lensed galaxy was discovered by citizen scientists earlier this week through the Space Warps website

Citizen scientists discover hidden galaxies at record speed

The distant universe looks a little clearer, thanks to tens of thousands of citizen scientists who classified more than 6 million images over three days.

active galaxy, matter falling toward a supermassive black hole creates jets of particles traveling near the speed of light

Astrophysicists use lens to study black-hole jet

Using an entire galaxy as a lens to look at an object in the far distance, researchers are learning more about powerful jets emitted when matter falls into a black hole.

Photo of Breaking: P5 at SLAC

US particle physicists look to space

A panel met at SLAC National Accelerator Laboratory to look for promising routes to the study of dark matter, dark energy and other phenomena.

Illustration of world's oldest astronomers, rings in wood slice

The world’s oldest astronomers

Scientists in Japan use ancient trees to look back on the history of our local cosmos, and discover a mystery.

Photo of mock data

Mock data, real science

In scientific circles, “mock” is not always a four-letter word. Through mock-data competitions, astrophysicists check their work.

Photo of breaking: cosmic explosion calls theory into question

Cosmic explosion calls theory into question

Observations of a rare cosmic explosion challenge scientists’ theoretical understanding of how gamma-ray bursts work.

Chart of logbook: Ice Cube

Ultra-high-energy neutrinos

Scientists on the IceCube experiment discovered two extraterrestrial neutrinos with energies higher than any neutrino anyone had detected before.