Easy: Venus is the weirdest planet in the solar system. The most distant major planet from the sun and the last stop before ...

Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

The cold, icy world of Uranus is framed by a pair of rings that orbit the planet at twice the distance of its main ring ...

See Venus and Uranus in conjunction on Thursday, April 23, as the “Evening Star” sweeps close to the Pleiades open star ...

Humanity has built some incredibly destructive weapons. There are still roughly 12,000 nuclear warheads on Earth today, ...

Unfortunately for science fiction fans, desert worlds outside our solar system are unlikely to host life, according to new ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Deep inside planets like Uranus and Neptune, scientists may have uncovered a bizarre new state of matter where atoms behave ...

Astronomers using the W. M. Keck Observatory on Maunakea, Hawaiʻi Island are revealing new insight into the composition and ...

Scientists estimate that there are billions of planets orbiting stars outside our solar system, with more than 6,000 ...

A strange planetary system called TOI-201 is changing in real time, with three very different worlds pulling on each other.