NASA's Double Asteroid Redirection Test (DART) impacted the 'moonlet' Dimorphos in the Didymos asteroid system. NASA's Hubble ...

A rare cosmic visitor, 3I/ATLAS, the third confirmed interstellar object, was discovered in July 2025. This object, on a ...

An ominous-looking nebula named NGC 246 lurks in the constellation Cetus about 1,600 light-years away from Earth. It is ...

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

“Full beaver supermoon” is not a combination of words that one encounters often, but this month brings the second of three ...

Data from NASA’s Chandra X-ray Observatory and NASA’s James Webb Space Telescope combine to reveal an otherworldly view of ...

I/ATLAS puts the Planetary Defense Network on watch. NASA and ESA say no threat as IAWN drills tracking, while Harvard’s Avi Loeb raises an alien-origin idea.

NASA has activated a global planetary defense group to study a massive interstellar object exhibiting strange, possibly artificial characteristics ...

What if the same asteroid that wiped out the dinosaurs hit Earth again? Could we survive—or face extinction? Discover this explosive scenario in late January. Red states are preparing for an end to ...

The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.

The comet is only the third interstellar object recorded in the solar system. Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed ...

An intriguing interstellar object known as 3I/ATLAS is, as of now, on the opposite side of the sun from Earth – making it impossible to observe from the ground. As 3I/ATLAS warps and grows the closer ...