The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

For decades, astronomers have wondered whether Earth-like planets are rare gems or commonplace across the stars. Recent ...

Material collected from an asteroid via spacecraft closely matches the heavier elements of the sun, providing scientists with ...

When 1I/'Oumuamua was first spotted in 2017, astronomers quickly determined that it came from outside the solar system. But although it was initially classified as a comet from another star system, it ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

As the terrestrial planet in the solar system with an environment most similar to Earth ... However, probing the deep structures of planets has always been challenging. Taking Earth, with which we are ...

LONDON (APTN/CBS Newspath/WKRC) - Scientists have discovered particles older than our solar system in a sample from the asteroid Bennu, brought back to Earth by NASA's OSIRIS-Rex spacecraft. The ...

A planetary conjunction is an astronomical event in which at least two planets – sometimes more – appear to our vantage from Earth to be close together in the sky. Both Venus and Jupiter are making ...

Astronomers have spotted a planetary system being conceived from the swirl of gas and dust surrounding a star — giving us an unprecedented, real-time look at how our solar system would’ve formed some ...

Astronomers have discovered seeds of rocky planets forming in the gas around the baby sunlike star providing *** peek into the start of our own solar system. The the thing that we've discovered is ...