The Arctic is warming almost four times ... away from its second close encounter with an asteroid; this time, the small main belt asteroid Donaldjohanson. Archaeologists have analyzed a pair ...

Can Mars become a second Earth? Explore the science, challenges, and future of terraforming Mars for human colonization.

The latest discoveries about Vesta challenge its traditional classification. This giant asteroid might actually be a remnant of a forming planet rather than a minor planet. Scientists long believed ...

The deep-space mission is heading for Kamoʻoalewa, a strange asteroid that might be a piece of the moon. China has released a ...

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

The latest discoveries about Vesta challenge its traditional classification. This giant asteroid might actually be a remnant of a forming planet rather than a minor planet. Scientists long ...

After leaving Earth, Tianwen-2 will reach Kamo‘oalewa by July 2026. This tiny, elongated asteroid likely spans no more than ...

China embarked on Thursday on its first mission to retrieve samples from a nearby asteroid, with the nighttime launch of its Tianwen-2 spacecraft, set to make the fast-growing space power the third ...

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

Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a highly ...

the ice line – sometimes called the snow line – was in what’s now the asteroid belt, which is between Mars and Jupiter. Today, it’s believed that Jupiter and Saturn, the largest planets ...