Astronomers have just discovered a new celestial body in our solar system that could challenge major space theory. 2017 OF201 ...

The robotic Tianwen-2 spacecraft will collect samples from Kamoʻoalewa, which some scientists suspect is a fragment of the moon.

China’s Tianwen-2 mission has launched to explore an asteroid that may be a piece of the moon, as well as an active asteroid ...

Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

After surviving the extreme, long-haul journey, you'd next have to navigate all 13 of Uranus' dusty rings - a bit like a spy dodging lasers in those classic movies. Then, you'd become the first ever ...

The search for extraterrestrial life has long gone back and forth between scientific curiosity, public fascination and ...

The Chinese space program is preparing to join the Japan Aerospace Exploration Agency (JAXA) and NASA in launching a mission to return samples from an asteroid to Earth. The Tianwen-2 probe and its ...

A new study proposes that seeding the orb’s underground ocean with microbes might help us learn how to make other worlds habitable ...

Information about Uranus is limited. What we know is that the planet is composed mainly of water and ammonia ice, its diameter is about 51,000 kilometers, about four times that of the Earth, and its ...

Based on 20 years of observations by NASA’s Hubble Space Telescope, new research sheds light on one of the solar system’s ...

Of the roughly 6,000 exoplanets we’ve discovered, a significant number are in the apparent habitable zones of their stars.