Avi Loeb links the strange behaviour of interstellar object 3I/ATLAS with the rise and fall of the sterile neutrino debate in ...

Witness the breathtaking images of the interstellar comet 3I/ATLAS captured by NASA's Hubble Space Telescope and ESA's JUICE orbiter.

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.

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

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

Current physics is speeding toward a breaking point, as astronomers confirm that the Hubble tension in new data.

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

A seven-hour gamma-ray burst, GRB 250702B, stuns astronomers and hints at powerful new cosmic engines still unknown to science.

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

Hubble Space Telescope can "only see the universe in shades of grey," according to NASA's Goddard Space Flight Center. Learn how the imagery is processed into amazing color views of the cosmos. Credit ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...