The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

This rare planetary alignment will be visible from August 10 but will be best viewed later in the month. Here’s everything ...

Writer-producer Noah Hawley explains what you can expect from his epic eight-episode Alien: Earth series, taking the xenomorphs out of space.

Earth just had one of its shortest days on record, and it's not alone. Our planet is spinning faster, with two more shorter-than-usual days ahead.

With escalating military confrontations today—even the possibility of a World War—how long can “deterrence” work?

Huge piece of Mars sells at auction for $5.3 million A bidder here on Earth shelled out a lot of green for a piece of the red planet on Wednesday when Sotheby's put a Martian meteorite up for auction.

Günther Thallinger, a board member at Allianz, one of the world's biggest insurers, says the climate crisis could make ...

Docent-led events teach hikers about local ecology, animals and artwork while providing exclusive after-hours access.

The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond during the long days of summer.

Scientists are exploring various proposals to repurpose existing spacecraft in order to chase after the interstellar object ...

Earth just had one of its shortest days on record, and it's not alone. Our planet is spinning faster, with two more shorter-than-usual days ahead.© Created in Canva by Daisy Dobrijevic ...

As the Moon reaches New, advanced observers can try photographing 3I/ATLAS while everyone can enjoy nebulae and more in the ...