Is it a spaceship carrying aliens from a alternate universe? Could it be an 11-billion- year-old comment suddenly visible in ...

A Japanese spacecraft is on a remarkable journey toward one of the most puzzling celestial objects in our solar system — a ...

NASA’s Hubble Space Telescope has captured its most detailed image yet of interstellar comet 3I/ATLAS. The rare comet is ...

New research uncovered compelling evidence — with the aid of a Big Island telescope atop Mauna Kea — that water from a comet is strikingly similar to that found in Earth’s oceans.

The comet is hurtling our way at 130,000 mph, but will veer closer to Mars than Earth, keeping a safe distance from both.

The object, officially titled 3I/ATLAS, was discovered in July and is currently traveling toward Earth at an estimated ...

The Hubble Space Telescope has captured a stunning image of a high-speed comet traveling through our solar system. Scientists ...

The Hubble Space Telescope has captured a stunning image of a high-speed comet traveling through our solar system. Scientists ...

NASA’s Hubble Space Telescope has snapped images of a recently discovered interstellar visitor hurtling through our solar ...

NASA’s Hubble Space Telescope captured what the agency says is the "sharpest-ever" image of an interstellar comet speeding through the solar system.

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to pass our way.