A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

New observations from the James Webb Space Telescope hint that the universe’s first stars might not have been ordinary fusion ...

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...

After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of ...

NASA's SPHEREx is exploring the galaxies to answer the question of where we all come from while sending back jaw-dropping ...

Scientists found where the universe’s missing matter went. Black holes have been pushing it far away from galaxies.

Astronomers have identified the most pristine star ever observed, located in the Milky Way's halo. This ancient star, with ...

ORCs are vast, faint rings of radio energy that surround galaxies and can be detected only in radio wavelengths of the ...

A newly discovered odd radio circle in space could serve as a time capsule for the violent events that shape galaxies.

There is a mysterious glow coming from the middle of our galaxy – and scientists say it could help solve one of the ...

Scientists have been using complicated, hypothetical particles to explain the Big Bang, but this theory posits that a simpler ...

The largest of three newly found ring shaped structures in the cosmos are almost a million light-years across.