An organic molecule called methanimine was found scattered throughout a dense clump of gas and dust 554 light-years away. Astronomers recently searched the gas cloud of a yet-unborn star for a ...

Scientists continue to look for signs of alien life on Mars, but this scientist truly popularized the idea, claiming to find ...

New analysis by Francesca Capel and Nadine Bourriche narrows possible sources of the Amaterasu cosmic ray, suggesting nearby galaxies like M82 rather than the Local Void.

NASA's head of planetary defence has revealed what keeps her up at night - tens of thousands of 'city killer' asteroids that remain undetected.

The Chandra team has released a striking new composite image of the Cocoon Nebula, a reflection and emission nebula in the constellation of Cygnus.

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp question: if alien signals have already reached Earth without us noticing, what ...

China’s Einstein Probe has detected an event suspected to be the first recorded instance of a black hole devouring a white dwarf.

For a few brief nights each year, you get a rare chance to watch a monster blink. The Event Horizon Telescope collaboration ...

It's the second most energetic cosmic ray ever to be detected striking Earth.

Supernova 1987A appeared in the far-southern constellation of Doradus (the Swordfish), in which the Large Magellanic Cloud is ...

Cassini mission data shows Saturn’s moon Enceladus generates Alfvén waves extending over 504,000 km, circulating energy and momentum through Saturn’s magnetosphere, according to Universe Today and ...