A massive comet known as 3I/ATLAS that was first discovered zooming across the solar system over the summer showed signs of ...

NASA confirms water`s chemical signature on interstellar comet 3I/ATLAS, a discovery that could reveal secrets of distant ...

Comet 3I/ATLAS, only the third known visitor from beyond our Solar System, has been brightening far more rapidly than ...

The comet 3I/ATLAS, discovered on July 1, 2025, by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in Hawaii, marks ...

Observations were maintained using imagery from solar imagers on the STEREO-A, SOHO, and GOES-19 missions near the Sun.

Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

The interstellar comet 3I/ATLAS has been found to contain water, marking a significant discovery in understanding cometary ...

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic ...

I/ATLAS is an interstellar object — the third known visitor from beyond our solar system — now sweeping past the Sun on a one ...

Interstellar object 3I/ATLAS baffles scientists with its unnatural acceleration and blue colour. Harvard's Avi Loeb suggests an 'alien engine' but NASA insists it's a comet.

The third object coming from outside our solar system that is observed made its closest approach to the Sun this week. In ...

Harvard astrophysicist Avi Loeb proposes that interstellar object 3I/ATLAS could be made of antimatter—"the most efficient fuel"—while NASA scientists remain sceptical.