Is Tau Ceti a real star? Is there a rocky exoplanet called Erid? How long can astronauts stay in space? Are there microbes on ...

Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers ...

When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...

Talk about a hot mess. Scientists have uncovered a hellish “lava world” where temperatures soar to a blistering 2,700 degrees ...

Planets go through different life stages: They form, evolve and eventually meet an end. But the timelines for these processes differ widely between Earth-like planets and worlds that orbit ...

I’m a planetary scientist who was born the year of Sputnik’s launch. Over the course of my 40-year career, I’ve witnessed not one but at least five separate revolutions that fundamentally transformed ...

NEW YORK — Six planets are hanging out in the sky this month in what’s known as a planetary parade. Catch the spectacle while you can because it’s the last one of the year. These linkups happen when ...

Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from ...

What would you do if you woke up on a spaceship light-years from Earth without knowing why you're there? Based on the New ...

This is read by an automated voice. Please report any issues or inconsistencies here. A rare planetary parade of six planets will light up the night sky at the end of February, with four visible to ...

NEW YORK (AP) — Six planets are linking up in the sky at the end of February, and most will be visible to the naked eye. It's what's known as a planetary parade, which happens when multiple planets ...