Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's ...

What the Soviets Found on Venus reveals a hellish surface, reanalyzed Venera data, and why those probes still guide today’s ...

The Chandra X-ray Telescope is investigating the habitability of exoplanets. NASA explains. Credit: NASA/CXC/A. Hobart ...

Our Sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its ...

Do they look similar to Jupiter? A new study finds they probably don't. Before getting into the details, let's talk about the ...

635 light-years from where you are sitting, way out in outer space, lies a planet. The first planet to be discovered inside the habitable zone of a Sun-like star. Its name is Kepler 22-b. When a ...

NASA has completed assembly of the Nancy Grace Roman Space Telescope, preparing for final testing and launch by May 2027 to ...

Astronomers using the James Webb Space Telescope have captured dramatic helium streams pouring off the super-puff exoplanet WASP-107b, revealing a world with an enormously inflated, weakly bound ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these ...

However, astronomers in Hawaii just spotted a pair of exciting discoveries — a huge exoplanet and a brown dwarf — using Japan ...

New research shows how the star's powerful outbursts could help scientists assess which worlds might support life.

More research is needed before scientists can determine whether the recently observed methane signatures point to the presence of an atmosphere or are simply the result of contamination from the host ...