It was a bump in the night. A big one.On Nov. 23, 2023, waves from a colossal merger of two black holes reached Earth and ...

The annual competition for professional and amateur astrophotographers released its shortlisted images, which capture the ...

A massive, spacetime-warping cluster of galaxies is the setting of today's NASA/ESA Hubble Space Telescope image. The galaxy ...

Stars don't form out of nothing, but tracking the gas and dust that do eventually form stars is hard. They float around the ...

Astrophysicists suggest our galaxy may lie inside a "cosmic void" - offering a new explanation for the universe’s conflicting ...

Back in 2010, scientists spotted something shocking: a pair of gigantic, glowing lobes of gas bursting from the Milky Way’s ...

A giant gas planet comparable in size to Saturn exists around a small red dwarf star. The discovery is beyond the scope of ...

Astronomers using the Green Bank Telescope spotted surprisingly cold, dense hydrogen clouds embedded inside the Milky Way’s ...

A colossal cluster of galaxies is bending the very fabric of space—and it’s the focus of this week’s breathtaking image from ...

Deep within the Milky Way’s core, researchers have uncovered cold gas clouds racing through a superheated galactic wind.

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

Grades 9-12 Learn about the cause of sunburns, in this video from NOVA’s Gross Science series. Sunlight is made up of many ...