Learning how pronghorn survived the climate changes that ended the ice ages anddrove so many other large mammals to extinction can help us adapt to our ownchanging climate.

Harvard's Avi Loeb says a rare sun alignment on 22 January could prove interstellar visitor 3I/ATLAS is an alien spaceship.

Astronomers tracking the skies around our planet have picked up two very different cosmic companions: a vast interstellar ...

Yet much about the landscape under the ice has been uncertain, because ground and air surveys are difficult in the region.

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if ...

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too ...

This past year was the third warmest on record and stood on the cusp of surpassing a major climate threshold globally, ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Two citizens engaged in community patrols detail how ICE smashed windows, arrested them and promised money in exchange for ...

Elizabeth Lugert-Thom, of St. Paul, warned people on social media last week that two men came to her door in the North End on ...

NASA's 3I/ATLAS interstellar visitor sparks debate as Harvard's Avi Loeb suggests alien origins. Discover the 'X' shaped ...

I/ATLAS fuels a global security row as the CIA issues a 'Glomar' response to records requests. Is the interstellar object a ...