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

NASA's New Horizons found the solar wind slows as it nears interstellar space, helping improve models of the solar system's ...

For obvious reasons, the Sun’s influence weakens as you get closer to the edge of the solar system. But things might be a lot ...

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

Space looks empty until you try to cross it. Far beyond Pluto, where sunlight is faint and the planets are long behind, ...

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 ...

A pair of new studies are looking to define this boundary as NASA’s New Horizons spacecraft hurtles towards it. They have ...

One of the biggest unanswered questions in solar physics may have gained an unexpected new lead. Researchers analyzing ...

Credit: ESA & NASA/Solar Orbiter/EUI team; Data processing: E. Kraaikamp (ROB) As tempting as it is to cite one, no single number can describe the temperature of the whole Sun. Its layers are at ...

The highly anticipated solar eclipse on Monday, April 8, might offer some extra fireworks. It’s all thanks to a series of massive explosions that one solar physicist says could be visible during the ...