NASA is closely monitoring a building-sized asteroid as it makes its closest approach to Earth today, among a group of five other space rocks passing by our planet over the next two days. The asteroid ...

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky this week.

Scientists have found clues hinting at hot water activity on Mars billions of years ago. The discovery was made by NASA’s ...

There is no other moon quite like our own in the entire solar system. The Moon is unique in a lot of ways, some of which are ...

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions ...

"What surprised us, at the end, was how effective this type of impact could be in explaining Mercury's unusual structure ...

Nearly half of Mars dust consists of silica, which on Earth is known to cause silicosis, an incurable lung disease that ...

After all the space drama, astronomers have figured out what that "city killer" asteroid actually looks like: a flat, ...

BEIJING -- The latest discovery from rock samples returned by China's Chang'e 6 lunar mission reveals that the moon's mantle ...

Astronomers have traced the origin of asteroid 2024 YR4, which appears to have broken off from a larger space rock.