The interstellar comet 3I/ATLAS, a rare visitor from outside the Solar System, might have been spewing gases for months ...

NASA's Nancy Grace Roman Space Telescope will help scientists better understand our Milky Way galaxy's less sparkly ...

When the "little red dots" were first discovered in 2022, scientists thought the objects might be galaxies as mature as the Milky Way, which is about 13.6 billion years old. That's because galaxies ...

Behind the dusty clouds of the Cigar Galaxy lies a dazzling powerhouse of star formation, where stars are being born ten ...

A team of Pennsylvania State University researchers has a unique take on mysterious red dots first observed by the James Webb Space Telescope.

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

In the direction of Pisces, approximately 560 million light-years from Earth, scientists have discovered a particularly ...

When we look up at the night sky, most of us see stars, most of which are relatively close: less than 5,000 light-years from ...

Near-infrared images from the James Webb Space Telescope revealed five early universe galaxies merging within a large halo.

Space Command is responsible for military operations beyond Earth's atmosphere. It's separate from the US Space Force, which is a service branch of the military – like the Army or Navy – responsible ...