Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

April’s planetary parade has fewer planets. Only four will line up: Venus, Saturn, Mercury and Neptune. April's parade of ...

Mar. 17, 2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ... Webb Telescope Captures Its ...

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the discovery of a planet about twice the size of Earth orbiting its star ...

Scientists have discovered an exoplanet 140 light-years away that's rapidly disintegrating as it orbits its star every 30 ...

One other planet also has been identified orbiting this star. About 5,800 planets beyond our solar system, called exoplanets, have been discovered since the 1990s. Scientists have hypothesized the ...

Even though the moon, and planets of our solar system are all separated by hundreds of millions of miles from one another, their orbital positions occasionally align to make them appear incredibly ...

With a lot of talk about space recently, have you ever wondered which are the hottest planets in the solar system? You'd think ... 36 million miles away from our shining star.

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...

NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Harvard stands to lose $2.2 billion in federal funding. Researchers ...