On January 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system. Eris is just ...

Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

For the first time since Pluto was demoted, the idea of a true ninth planet is edging from speculation toward something ...

American Museum of Natural History Astronomer Dr. Jackie Faherty joins WIRED to answer the internet's burning questions about ...

In a span of 30 years — from the first moon rockets in 1959 to the Voyager 2 flyby of Neptune in 1989 — NASA spacecraft introduced the world to close-up views of the bodies in our solar system.

Jan. 5 (UPI) -- On this date in history: In 1776, New Hampshire became the first American state to adopt its own constitution ...

In observations conducted between April 5 and April 10, 2017, the team looked at the relativistic jet produced by OJ 287, a ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to find out ...

Experienced network designers know that the performance achievable of a data link depends on many factors, including the ...

Today is Monday, Jan. 5, the fifth day of 2026 with 360 to follow. The moon is waxing. Morning stars are Jupiter, Mercury, ...