It’s possible to defy gravity using sound waves, magnets or electricity, but today’s methods can’t hoist heavy items high in ...

An ultra-hot rocky exoplanet may be wrapped in a dense atmosphere, defying expectations about what small planets can sustain.

Webb Telescope detects an atmosphere on TOI-561 b, a scorching rocky planet once thought too small and hot to hold onto its ...

Normal matter – which makes up everything we see and touch – isn’t the only type of matter present in the universe.

What could force a supermassive black hole (SMBH) out of its host galaxy? They can have hundreds of millions, even billions ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Our universe is filled with galaxies, in all directions as far as our instruments can see. Some researchers estimate that ...

A mysterious excess of far-ultraviolet light seen across the Milky Way could come from the annihilation of clumpy dark matter ...

A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

These out-of-place artifacts, or OOPArts, are surprising for their place and time — but there's an explanation behind each ...

The Atacama Cosmology Telescope in Chile has released its final batch of data after 15 years — and it proves that the Hubble ...