HIP 67522 b, a Jupiter-sized planet, orbits its star in just 7 days. Its closeness disturbs the star’s magnetic field, triggering stellar flares that scorch the planet’s atmosphere ...

NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was ...

U.S. President Donald Trump’s tax and spending megabill narrowly cleared the House of Representatives on Thursday, after days ...

Comet 3I/ATLAS was discovered on July 1. “It came from outside our solar system and right now, it's inside the orbit of ...

The comet should remain viewable through telescopes until September as it approaches the Sun, then emerge again in December on its outbound leg.

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth -- but closer to the red planet than us at a safe 150 million miles (240 ...

"Very massive stars are like the 'rock stars' of the universe — they are powerful, and they live fast and die young." ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...