B rocket is being fueled for launch of a complex deep-space mission targeting both a near-Earth asteroid and a comet.

China's Tianwen-2 spacecraft is scheduled to launch this week and will study two solar system bodies up close.

A large asteroid, 2003 MH4, is set to approach Earth on May 24, 2025, at a distance of 6.68 million kilometers. Classified as ...

Asteroid 2025 JR, about the size of a 25-story building, is set to pass Earth on May 28 at a distance of 4.6 million ...

JR is an Apollo class, defined by the Earth-crossing orbits. With a speed of around 40,800 kilometres per hour (25,356 miles ...

A newly discovered house-size asteroid is set to make a close, yet harmless approach to Earth today (May 21), passing within ...

A gyroscope navigation system developed by an Irish company is to be launched into space as part of a mission to test and ...

An asteroid named 2025 JR, measuring 250 feet across and moving at 40,800 km/h, will make its closest approach to Earth on ...

A massive asteroid nearly as tall as the Eiffel Tower is set to fly past Earth this weekend, sparking global interest. Moving ...

China's Tianwen-2 asteroid sample return mission is set to launch this month, May 2025, en route to the asteroid Kamoʻoalewa ...

A House hearing about how NASA is dealing with the threat posed by asteroid impacts turned into a discussion about impacts of ...