On this date, Jan. 6, 1969, the Soviet Union launched the Venera 5 spacecraft, which was part of an ongoing mission to explore Earth’s sister planet, Venus. Venera 5 successfully entered Venus’ ...

It extends beyond Neptune and includes Pluto and dwarf planets. Astronomers believe Planet Nine might be 5-7 times Earth’s size. It could orbit the sun 200 times farther than Earth. A single ...

Astronomers believe that Planet Nine could be 5-7 times the size of Earth and situated more than 200 times farther from the sun than our planet. It is believed to orbit the Sun in 10,000 to 20,000 ...

Eris was discovered. It was considered the largest known dwarf planet in the solar system until a year later when Pluto was downgraded from being a planet.

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...

Trump is pulling America out of the Paris Agreement, leaving the U.S. as the only major emitter not part of the treaty. It's ...

The upcoming sequel to Kingdom of the Planet of the Apes will tie the modern reboot franchise with the original series in one ...

Yes, Planet Fitness members are in luck on MLK Day this year. Most locations will be open from 5 a.m. to 10 p.m., similar to ...

You’ll be able to view a rare alignment of planets this month and into February. Our astrotourism expert reveals the best ...

With 2024 going down as the globe's hottest year on record, devastating fires in California signal a new climate-changing ...

Six planets are set to align Tuesday evening, four of which will be visible to the naked eye, according to astronomers. NASA refers to this phenomenon as a planet parade, and there are a few good ...

A rare sight is coming to North Texas for the ending of January 2025. Six planets – Mars, Jupiter, Uranus, Neptune, Saturn ...