Since its discovery, astronomers have been frantically trying to gather as much information as they can about the newest interstellar interloper dubbed 3I/ATLAS. It's been challenging, but they've ...

NASA's Double Asteroid Redirection Test (DART) impacted the 'moonlet' Dimorphos in the Didymos asteroid system on Sept. 26, ...

KENNEDY SPACE CENTER, Fla. - NASA’s Hubble Space Telescope has captured the most detailed image yet of the interstellar comet 3I/ATLAS, which is thought to have originated well outside the Milky Way.

There’s something intriguing about the unknown, especially when it’s hurtling towards our solar system. Astronomers and ...

Hubble also captured a dust plume ejected from the Sun-warmed side of the comet and a hint of a dust tail streaming away from the nucleus.

A telescope in Chile recently glimpsed 3I/ATLAS' glowing tail, which observations reveal has grown as the interstellar object ...

Two more of NASA's space telescopes got another look at comet 3I/ATLAS, an interstellar interloper that captured the world's attention in July 2025.

3I/ATLAS first made news in July when scientists confirmed it as the third-ever observed interstellar interloper in our solar system. The space object further attracted the public's fascination again ...

Hubble Space Telescope observations have provided size estimates for the nucleus of interstellar comet 3I/ATLAS, ranging from 320 meters to 5.6 kilometers in diameter, though the nucleus itself ...

In the 35 years since the Hubble Space Telescope flew to space, it has taken pictures of comets, merging galaxies, planets, supernova remnants, and more. The first-of-its-kind telescope — a joint NASA ...

Though the days are fast ticking by, that success is far from assured. DART is the first-ever test of what NASA calls a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. This week, the famed NASA/ESA Hubble Space Telescope turns 35 years ...