From our small blue planet to the farthest reaches of the observable cosmos, this breathtaking journey explores the true ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

The idea of an asteroid striking the Earth is quite alarming to most of us – after all, it was the impact of a massive asteroid that is thought to have wiped out the dinosaurs, as well as 75% of the ...

Data suggests K2-18b is a "world with an ocean that is teeming with life," said study lead author Nikku Madhusudhan, an astrophysicist at the University of Cambridge in England. A whopping 8.6 times ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

Understanding exoplanet evolution could help solve the mystery of the 'hot Neptune desert.' As astronomers delve deeper into the diversity of worlds orbiting distant stars, a new study suggests ...

The early universe is perhaps one of the biggest mysteries of our time, and while we've come close to unraveling some of those earliest mysteries thanks to advancing tech like the James Webb Space ...

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

"L 98-59 c could be the first planet smaller than 2 Earth radii with a definitively detected atmosphere." A nearby Earth-size planet beyond our solar system could soon join the ranks of worlds with ...

Sir James Jeans, one of the world’s top mathematicians and an influential physicist and astronomer at the time, advanced his tidal hypothesis of planet formation in 1916. According to this theory, ...

An orb with twin suns, a star twice as old as our sun... see how new finds with surprising parallels in fiction are rewriting our understanding of the universe.