The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

Cheng discovered the object as part of an ongoing research project to identify TNOs and possible new planets in the outer ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

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.

NASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest and most intriguing rocks on the Red Planet.

Tianwen, which means "questions to heaven," is the name given to China's program of robotic Solar System exploration. Tianwen ...

The “The Little Star that Could” will take visitors of the Mackie Planetarium on a virtual trip to Saturn for its final show ...

The best astronomy cameras open a window to the universe, revealing celestial wonders invisible to the naked eye. This buying ...

With an atmosphere, by mass, of primarily hydrogen (76 per cent) and helium (24 per cent), and by volume of 89 per cent ...

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 ...

Webb’s powerful instruments have detected crystalline water ice in a distant star system, offering rare insight into planet ...