A newly identified world beyond our solar system is giving scientists a fresh look at how strange planets can be, and it may ...

The planets of the Solar System are not representative of all the types of planets that exist elsewhere in the galaxy. There are worlds like hot Jupiters, gigantic and very hot, as well as ocean ...

Astronomers have discovered a bizarre exoplanet slightly larger than Earth, covered by a vast magma ocean and wrapped in a sulfur‑rich atmosphere. Observations from the James Webb Space Telescope ...

Talk about a hot mess. Scientists have uncovered a hellish “lava world” where temperatures soar to a blistering 2,700 degrees Fahrenheit — hot enough to melt rock into a churning ocean of magma and ...

Nasa's Perseverance rover has detected ancient river delta remains buried deep beneath Mars' Jezero Crater. Using ground-penetrating radar, the rover revealed layered sediments and eroded surfaces, ...

NASA's planet-hunting mission, the Kepler Space Telescope, has just discovered Kepler-452b, a planet that scientists are calling "Earth 2.0." Scientists said in a press conference Thursday that they ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers found a nearby super-Earth, GJ 251 c, orbiting in its star’s habitable zone. (CREDIT: CC BY-SA 4.0) In a secluded ...

Scientists have discovered a strange “liquid planet” covered in molten magma, challenging known planet types. Could more hidden worlds like this exist, reshaping how we search for habitable planets?

WASHINGTON, D.C. – NASA scientists announced Wednesday that they’ve discovered an Earth-size exoplanet that is remarkably similar to our planet. NASA says a team of transatlantic scientists were ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...

In a secluded corner of the Lynx constellation, just 18 light-years from our planet, astronomers have found a stunning jewel—a planet around a tiny red dwarf star that may have the right conditions to ...