An ancient Martian system of canyons and valleys could be home to archaic life forms, a ground-breaking scientific paper has ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

From volcanic terrains to vast deserts, our planet is filled with extraordinary destinations that make you feel like you've stepped onto another planet. No spacecraft required — just a passport and a ...

When astronomers first cataloged some of the closest orbiting rocky exoplanets, they wrote them off as bare, airless cinders, ...

The Kepler-22b reveal flips the storyline of the series. What started as a story about Earth going through a bizarre ...

WASHINGTON (Reuters) -Scientists are tracking a large gas planet experiencing quite a quandary as it orbits extremely close to a young star - a predicament never previously observed. This exoplanet, ...

Astronomers have spotted an alien planet orbiting so closely to its home star, the planet's magnetic field is triggering massive solar flares to erupt. This is the first time a planet has been seen ...