Jupiter-like planet 8 UMi b, named Halla, orbits its host red giant star Baekdu closely. The red giant's merger with a white ...

Gas giants are massive worlds made mostly of hydrogen and helium. They lack solid surfaces, and in our solar system, Jupiter ...

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

A new candidate exoplanet appears to almost uncanny similarities to Earth — but may differ in at least one major way.

Jupiter, Saturn, and the winter hexagon of constellations will be the stars of the show at Indiana University Kokomo’s free ...

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

NASA has announced the discovery of an Earth-like planet orbiting a Sun-like star that shares several other similarities with ...

Astronomers have discovered a new exoplanet orbiting the nearby K-dwarf star HD 137010 after detecting a single, shallow ...

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

Scientists argue that limiting the search for life strictly to a star’s traditional habitable zone is too restrictive. That is in light of new climate models, and observations that suggest that liquid ...

Earlier telescopes, including Hubble, revealed the Helix as a serene, eye-shaped glow. Webb presents a more intimate view, ...