The most luminous kilonova candidate to date (short gamma-ray burst 200522A) was detected using the Hubble Space Telescope, Swift Observatory and other telescopes. A kilonova is a "the afterglow ...

The most powerful solar storm to impact Earth in decades caused the temporary formation of radiation belts around Earth, NASA recently announced. A NASA CubeSat satellite made the discovery, which ...

NASA explains how a 'ring of fire' annular solar eclipse occurs and how it differs from a total solar eclipse. WARNING: ...

"Exploring the clouds, say by balloon, can be done with technology that's ready today," Byrne told Space.com. "We could ...

“We [will be able to] move quickly and map out very large areas of the sky,” adds Josh Schlieder, the telescope’s wide-field ...

PUNCH's main goal is to study how the Sun's corona transforms into solar wind, a stream of charged particles that flows ...

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

Asteroids have struck Earth occasionally over its long history, often with cataclysmic results. An asteroid estimated at 6-9 miles (10-15 km) wide hit off the coast of Mexico's Yucatan Peninsula 66 ...