12 years of W.M. Keck Observatory imagery of star system HR 8799 have been time-lapsed. The system hosts four planets that ...

The curious minds at What If reveal NASA signs of ancient life on Mars, exploring fossils, chemical evidence, and planetary ...

Astronomers have identified a newly discovered exoplanet that may orbit within the outer edge of its star's habitable zone, raising fresh questions about how common potentially life-supporting worlds ...

NASA has discovered a new planet nearly 146 light-years from Earth that shows remarkable similarities to our planet. Named ...

In one of the most baffling discoveries of the last decade, scientists have found a clue in a cave to how life might survive ...

Aging stars can completely destroy their planets. When a star reaches the end of its life on the main sequence, it goes ...

Alexander Venner picked his way by hand through the data collected by a now-retired NASA telescope called Kepler, which ...

NASA scientists unearthed a new exoplanet, dubbed the 'cold Earth,' from retired Kepler telescope data. This Earth-sized world, HD 137010 b, orbits a distant star and, despite frigid temperatures, may ...

Stuart Jefferies, Georgia State University professor of physics and astronomy, along with students and international space scientists, have taken up the challenge to find lifeforms across the two ...

Why is it so rare to find exoplanets orbiting two stars, also called circumbinary planets (CBPs)? This is what a recent study published in The Astrophysica | Space ...

NASA fully fueled its Artemis 2 moon rocket during a crucial test today (Feb. 2) but had to pause the operation twice due to ...

A faint signal from old telescope data is causing a stir in astronomy: a planet barely larger than Earth, with an almost ...