The first-ever detection of gravitational waves was made 10 years ago today (Sept. 14). In celebration, Space.com takes you ...

As a massive black hole located 55 million light-years from Earth, the black hole at the center of M87 has a mass equivalent ...

Researchers in China have conducted the most thorough search yet for alien radio signals in the nearby TRAPPIST-1 system, which may harbor potentially Earth-like planets.

This week in Skywatch I want you to go sky high to dig for some of the great visual treasures waiting for your eyes. And now ...

This week in Starwatch, I want you to go sky high to dig for some of the great visual treasures waiting for your eyes. Now ...

Astronomers have discovered the raw ingredients of planets orbiting two infant stars, offering a glimpse into how new worlds ...

Astronomers have unveiled a fascinating rhythm that reverberates across multiple stars within our galaxy. This galactic-scale ...

Astronomers tracked the strangest gamma-ray burst yet. GRB 250702B is a repeating, day-long flash unlike anything seen before ...

This week in Starwatch I want you to go sky-high to dig for some of the great visual treasures waiting for your eyes. And now ...

Gravitational-wave astronomy has exploded since 2015, capturing hundreds of black hole and neutron star collisions. With ever ...

Astronomers discovered a repeating, day-long gamma-ray burst, challenging theories of star deaths and black holes.

LIGO, Virgo and KAGRA celebrate the anniversary of the first gravitational waves detection and announce verification of ...