A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Conflicting distance measurements have added to the uncertainty. One data source places one object at 6,500 light years away, ...

The four American astronauts aboard the ISS, including the Boeing Starliner crew, spoke to USA TODAY in an exclusive interview Tuesday.

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore have been on the International Space Station since June, ...

A capsule carrying about a half cup of dust and rocks from an ancient asteroid named Bennu landed in the Utah desert in 2023. The samples were collected by NASA’s OSIRIS-REx mission, which sent a ...

Where is our solar system in the vast assemblage of celestial objects in this island Universe we call the Milky Way? To answer that question, we can begin with the beautiful configuration of stars we ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Astronomers have discovered a giant radio galaxy with plasma jets stretching an incredible 3.3 million light-years—32 times ...

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

This is a manifesto disguised as a novel and makes no secret of its intent. The characters feel undifferentiated like ...

NASA's achievements, from the iconic Apollo missions to the James Webb Telescope, have redefined space exploration and ...