Some planets orbit so close to their stars that a single “year” lasts less than a day on Earth. A few of those worlds just ...

NASA’s James Webb Space Telescope has uncovered a rare alien world that sits in a cosmic “sweet spot” between scorching hot Jupiters and frozen gas giants like Saturn.

Data from NASA's MAVEN spacecraft revealed a never-before-seen atmospheric effect on Mars, revealing how solar storms may ...

On May 15, 2026, NASA’s Psyche spacecraft screamed past Mars at 12,333 mph, sweeping within 2,864 miles of the planet’s ...

The Psyche mission, on its way to study an asteroid of the same name, approached within 2,864 miles of the red planet on May ...

NASA’s Psyche spacecraft skimmed past Mars in a precision flyby that helped catapult it deeper into space toward its ultimate ...

NASA’s Psyche spacecraft just used Mars as a giant slingshot on its journey to a mysterious metal world that could reveal what’s hidden inside planets like Earth.

Using a new technique that partly relies on artificial intelligence, researchers spotted potentially more than 10,000 new exoplanets.

Add Yahoo as a preferred source to see more of our stories on Google. It's unlikely you'll be able to walk outside and see a line of planets, but according to NASA, a seven-planet parade happening ...

Astronomers using NASA’s James Webb Space Telescope have uncovered a rare world unlike anything in our solar system — a giant planet about the size of Saturn with surprisingly Earth-like temperatures ...

Three decades ago, in 1995, humankind discovered the first planet beyond the borders of our solar system. It's called 51 Pegasi b, and it spins around its main-sequence star (meaning not unlike our ...

In 2028, if all goes well, NASA plans to test a new technology that could reduce trip times to the Red Planet.