“Super-puff” planets are fairly rare, but researchers just discovered two new ones with densities lower than that of candy ...

Astronomers have spotted two puffed-up gas giant planets both orbiting the same star 1. At around the size of Jupiter but ...

'They also have a similar density to shaving foam.' ...

Cities are often described as "heat islands," with media reports warning that some neighborhoods can be 20° F (7° C) hotter ...

Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

Astronomers at the University of California, Irvine (UCI) have discovered a potentially habitable super-Earth located just 25 light-years away.

Planet GJ 3378b is 25 light-years from Earth and orbits its star at a blistering 21 days. Credit: NASA Twenty-five light-years away, in the constellation Camelopardalis, a small red star hosts a rocky ...

New research shows that Earth's oceans are warming quickly. NPR's Ayesha Rascoe speaks with oceanographer Brad deYoung about the record-breaking rise in marine temperatures.

Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary sun-like star suddenly began flickering wildly, puzzling scientists until they ...