NASA scientists are sounding an alarm that would have been unthinkable a decade ago: the same commercial satellite ...

The Hubble Space Telescope has been used to study NGC 1052-DF2 — a galaxy that is lacking dark matter. Credit: NASA's Goddard ...

NASA's Hubble Space Telescope has once again observed the interstellar comet 3I/ATLAS, revealing intriguing details about this visitor from outside our solar system.

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Comet C/2025 R2 (SWAN)'s backdrop is dominated by the Eagle Nebula — a vast cosmic structure of dust and hydrogen-rich gas ...

Interstellar comet 3I/ATLAS is approaching Earth on December 19 but NASA has clarified that it does not pose any threat to ...

NASA reveals the true, bizarre reason for the 3I/ATLAS comet's 16.16-hour pulse. Scientists link the interstellar object's ...

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...

In a new study published in The Astrophysical Journal, a group of researchers from the University of Colorado Boulder ...

Neil deGrasse Tyson gave a rousing defense of scientific principles in his characteristic brash way during his Purdue ...

A groundbreaking discovery reveals that interstellar comet 3I/ATLAS is venting significant amounts of methanol and hydrogen ...

Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.