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

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, ...

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

The two most puzzling rings around Uranus are gradually giving up their secrets, only to deepen the mystery of the Uranian ...

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

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

Uranus is the planet of change and rebellion, so its upcoming transit through Gemini that runs through May 2033 will change ...

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

The strangest part of the TOI-201 system is not that it holds three very different worlds. It is that astronomers can ...

A newly analyzed planetary system spotted by NASA’s TESS mission is challenging long-standing assumptions about how planets ...