The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

A NASA Hubble Space Telescope observation program called OPAL (Outer Planet Atmospheres Legacy) obtains long-term baseline observations of Jupiter, Saturn, Uranus, and Neptune in order to understand ...

Some of the most puzzling worlds in our telescopes’ catalogs may not be worlds at all, but relics from the first instants ...

EVANSTON, Ill. — Except for the fact that we call it home, for centuries astronomers didn’t have any particular reason to believe that our solar system was anything special in the universe. But, ...

Planets orbiting dead stars known as white dwarfs might be able to remain habitable thanks to general relativity subtly altering their motion. When stars like our sun run out of fuel, they expand and ...

Is there life on other planets? This is a question that humanity has been trying to answer for a very long time now. We haven’t found a single piece of direct evidence proving that it is there, but ...

In the distant future—about six billion or seven billion years hence—the sun will start to die, swelling up into a bloated red giant. In a span of several hundred million years it will blow away its ...

Scott Wolk's research, presented at the 245th American Astronomical Society meeting, focused on the X-ray emissions of Wolf 359, a red dwarf star approximately 8 light-years from Earth, to assess the ...