In a remarkable astronomical event, scientists recently detected the longest gamma-ray burst (GRB) ever recorded, an explosion that lasted an astonishing seven hours. This unprece ...

A smaller black hole merging with and consuming a companion star, leading to an explosion.

Wondering what 3I ATLAS is all about? Here's what to know as interstellar comet 3I/ATLAS nears Earth this week, when to watch ...

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

The interstellar object 3I/ATLAS is expected to make its closest approach to Earth mere days from now, coming within just 167 ...

The Hubble Space Telescope has captured an amazing view of galaxies LEDA 48062 and UGC 8603. Credit: ESA/Hubble & NASA, R.

The Hubble Space Telescope has been used to study 25 hot Jupiters. It has helped to answer "questions important to our ...

This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy ...

Discovered over the summer, the comet known as 3I/Atlas will pass within 167 million miles of our planet on Friday. That's as ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close. Interstellar ...

NASA's Hubble Space Telescope captured an uncommon sight—the death of a low-mass star—in this image of the Calabash Nebula ...

This image shows the interstellar comet 3I/Atlas captured by the Hubble Space Telescope on Nov. 30, 2025, about 178 million miles from Earth.