I/ATLAS is the third interstellar object ever discovered in our solar system. Telescope observations suggest it is a roughly 7-mile-wide (11 kilometers) comet zooming at more than 130,000 mph (210,000 ...

The non-gravitational acceleration was measured at the perihelion distance of 1.36 times the Earth-Sun separation (defined as ...

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

As comet 3I/ATLAS nears the Sun, viral TikTok videos fuel alien spacecraft rumours, while astronomers insist it is a natural ...

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

Comet 3I/ATLAS, the third interstellar object ever recorded, is currently passing through our solar system. Discovered on ...

NASA joins the Roman space telescope and key instruments, marking a milestone toward its 2027 launch to reveal the cosmos.

According to the study, interstellar object 3I/ATLAS showcased its first sign of a non-gravitational acceleration at perihelion, or the point of closest approach to the Sun. The non-gravitational ...

The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a ...

NASA has confirmed that the interstellar comet 3I/ATLAS remains on a stable path through the Solar System and poses no risk ...