Metallic beads in Arctic mud point to a comet impact that may have triggered the Ice Age 12,800 years ago, challenging ...

Hubble telescope captures third interstellar visitor 3I/ATLAS showing active dust coma racing through solar system.

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

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

Some cosmic impacts are loud, fiery, and leave unmistakable craters. Others are quieter in geological terms, yet no less ...

Mankind must decide how it’s going to deal with contact with extraterrestrials — and time could be running out, one expert warned — after he sounded the alarm that an incoming ...

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

This new measurement suggests some comets — particularly those such as 12P/Pons-Brooks — could indeed have delivered water, and possibly other life-essential elements, to a young Earth.

Scientists estimate the object to be more than 12-miles-wide, speeding at 37 miles-per-second, relative to the sun.

"We should put all possibilities on the table that it's a rock, a comet, or something else until we get the evidence, the ...

These strange objects could explain how water arrived on Earth, but may also be a previously unrecognised threat to our ...

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