The universe

A colossal asteroid slammed into Jupiter's largest moon Ganymede with so much power it dramatically and permanently reoriented the moon roughly 4 billion years ago, new research suggests.

A 3-foot (1-meter) asteroid burned up harmlessly over the Philippines today (Sept. 4) after being detected just this morning.

Any lunar resource evaluation or prospecting campaign will need to be international in nature, as no one space agency will have the money or mandate to conduct it alone.

Located about 3 million light-years from Earth, the Tucana Dwarf galaxy sits at the far edge of the Local Group of galaxies and is home to aging stars that may hold clues from the early universe.

By using protons to probe how a magnetic field responds to an expanding plasma, experimenters have replicated the particle jets spewed out by active black holes.

A long-sought invisible electrical field wrapped around Earth has been detected more than half a century after it was first predicted to exist.

Every so often, astronomers detect a supernova explosion that's 100 times brighter than it should be. A new paper may reveal the strange source of these "superluminous" supernovas.

A tiny fraction of known black holes emit X-ray signals that resemble a human "heartbeat." Now, new research may finally explain the strange phenomenon.

NOAA is researching how to update its Space Weather Scales and how it can better communicate its space weather forecasts with the public and government agencies.

The newly found antiparticle, called antihyperhydrogen-4, could have a potential imbalance with its matter counterpart that may help scientists understand how our universe came to be.