XR flew about 1.37 million miles (2.2M km) away from Earth. The space rock is estimated to be about 300-700 km (248-434 miles ...

Asteroid 2024 YR4 poses a potential risk to the Moon, with a 1.7% chance of collision despite Earth now being safe. If it ...

For a brief moment, asteroid 2024 YR4 had scientists on edge, with its impact probability climbing as high as 2.8%—enough to capture global attention. But thanks to rapid observations and advanced ...

ESA’s Hera mission is two-year flight to the Didymos binary asteroid system. See its trajectory here. Credit: ESA - European Space Agency ...

YR4: Asteroid 2024 YR4 might spare Earth but it poses a threat to Moon. The asteroid that had a good chance of crashing onto ...

The European Space Agency is providing a follow-up to that test, known as Hera. The mission's spacecraft launched in October 2024 and will rendezvous with Dimorphos, the slammed asteroid ...

Astronomers believe thousands of large undiscovered asteroids, that could cause regional damage, may be in space.

NASA is tracking a bus-sized asteroid zipping past the Earth at nearly 16,000 miles per hour today. The asteroid, known as "2025 DM7," is estimated to be about 42 feet across and soared past our ...

The second Ariane 6 launch sent up an optical spy satellite called CSO-3 for the French military. The rocket deployed CSO-3 ...

The space agency explained: "NASA has significantly lowered the risk of near-Earth asteroid 2024 YR4 as an impact threat to Earth for the foreseeable future. When first discovered, asteroid 2024 ...

The 184-foot-tall (56-meter) rocket lifted off from Kourou, French Guiana, at 11:24 am EST (16:24 UTC). Twin solid-fueled boosters and a hydrogen-fueled core stage engine powered the Ariane 6 through ...

A few weeks ago, Asteroid 2024 YR4 made headlines for being ... We keep incredibly good track of the objects in space that 1) are of a dangerous size and 2) could be on a dangerous path for ...