A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Using data from the Hubble Space Telescope, scientists have confirmed the presence of water vapor on K2-18b. Learn the key ...

NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

Since the 1970s, we've been searching for life outside Earth in our universe. Astronomers have discovered evidence of life in ...

You're the grillmaster at the annual family Fourth of July barbecue, and you're sweating bullets standing over the grill in ...

Scientists can't fully agree on what GJ504b actually is. It may be a massive planet or a brown dwarf, a mysterious class of ...

Vegetarians need not worry yet—plants will be on Earth for a long time to come. But not forever. The sun will ultimately ...

Euclid's new photo reveals more than 60 million stars and provides new insights into exoplanet detection through microlensing ...

The planets are extremely large, with TOI-791 b being about the same size as Jupiter, and TOI-791 c even larger. Yet, they ...

Penn State’s strength in space science comes from the depth of our long-standing scientific leadership and the breadth of ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between large space rocks. One of these clouds was even mistaken for a planet before ...