Scientists have been searching for radio signals from hypothetical alien civilizations using radio telescopes for decades.

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

Astronomers found an ancient planetary system being consumed by white dwarf LSPM J0207+3331, hosting the oldest, most ...

Astronomers recently peered deep into space and found that an old, faint white dwarf named LSPM J0207+3331, located about 145 ...

Astronomers using data from the W. M. Keck Observatory on Maunakea in Hawaiʻi Island have identified a rare, ancient ...

Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on our planet, explore the wonders of our star's domain, or venture into the ...

The destroyed planet has spewed material onto the white dwarf's surface, with astronomers detecting 13 different elements ...

Material around Chiron, a small icy world in the far reaches of the solar system, may be taking shape into a ring system of ...

UN launches a global planetary-defence campaign as interstellar comet 3I/ATLAS speeds past Earth, sparking both scientific ...