As the United States prepares to celebrate its 250th anniversary, the history of the solar system tells its own story of ...

A Jupiter-size exoplanet orbiting a dead star baffled astronomers. But the planet named WD 1856 b could preview the fate of ...

Astronomers have used the James Webb Space Telescope (JWST) to observe an oddball gas giant exoplanet orbiting a dead star.

Scientists studying the interstellar object ‘Oumuamua have proposed that it may be a fragment from a Pluto-like planet beyond ...

It implies or requires that the angrite parent body had to be big, but the question is, where is it now?” CU Boulder ...

In the course of studying planets beyond our solar system (6,316 confirmed exoplanets and counting), scientists have ...

Two massive planets may have once existed in early solar system before being ejected, leaving behind evidence in unusual ...

Astronomers have uncovered a pair of giant planets that are lighter than cotton candy—super-puffs the size of Jupiter.

The planet should not have survived the star's red giant phase—which sees a star balloon to more than 100 times its original ...

Researchers have discovered a planet which, by all intents and purposes, should not be there. The world, coined WD 1856 b, is slightly larger than Jupiter and circles a dead star only about the size ...

Scientists have uncovered evidence of a massive magma system beneath Mars' surface, challenging the long-held belief that ...

Earth receives about 7 percent less light during aphelion than during its closest approach to our star, yet the average ...