Years after his Titanic tantrums, the “Avatar” director has “mellowed,” says Sigourney Weaver. He calls it “marinating.” ...

A new study suggests that Uranus and Neptune may not be ice-rich planets after all. Researchers from the University of Zurich propose that these distant worlds could be dominated by rock, challenging ...

Mars enters Capricorn on Dec. 15, which offers the chance to set personal and professional plans in motion. Here's what the ...

See how global powers stack up 25 years deep into the 21st century, based on defence spending, equipment quality, strength of ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Legend has it that somewhere beyond Neptune and Pluto, there is a ninth planet, with a mass that is five times greater than ...

You can choose gifts and wrapping that have a lower environmental impact, such as homemade or vintage items. Or bestow ...

Read on to discover what’s in store for your sign during the week of December 14 through December 20, 2025.

There are roughly 2.5 million known species on the planet, but scientists estimate that's only a fraction of the biodiversity on Earth. A new study shows we're finding new species like never before.

Scientists have discovered the strongest evidence yet of a rocky planet with an atmosphere outside the solar system, ...

Before he was killed, though, Quaritch had a son named Miles, who was forced to stay on Pandora after his father died because ...

The National Trust for Historic Preservation, a privately funded group, is asking the U.S. District Court to block Trump’s ...