A massive comet trail may have caused climate upheaval on Earth more than 12,000 years ago, sparking the Younger Dryas.

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

Of course, 3I/ATLAS is no ordinary comet. Discovered on July 1, 2025 by the Asteroid Terrestrial-impact Last Alert 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.

Scientists have uncovered microscopic clues buried deep in the ocean floor that could support a bold theory — a comet ...

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.

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 ...

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

Core samples collected near Greenland support the controversial theory a comet impact 12,800 years ago caused global ...