NASA's Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and ...

NASA's Lucy spacecraft is six days and less than 50 million miles (80 million km) away from its second close encounter with ...

Solar Wave Squeezed ... types of planets outside of our solar system, according to a new ... Mar. 17, 2025 — New modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed ...

On April 20, 2025, NASA’s Lucy spacecraft will fly past the three-mile-wide main belt asteroid (52246 ... holding clues to the formation of our solar system. NASA’s Lucy spacecraft will ...

If future Mars colonizers want to survive without pressure suits, they’ll need to generate a denser atmosphere. One way to ...

The Lucy spacecraft will observe the asteroid Donaldjohanson on Sunday afternoon, before it moves on to study a handful of ...

The trans-Neptunian object Altjira, 44 times farther from the Sun than Earth is, could be the second known trinary, ...

Originally, the hypothesis was that Theia gave the Earth a glancing blow, and the proto-Earth and Theia lost pieces ending up as one or two moons that eventually formed the Moon. It was thought that a ...

The scientists made a computer model of the solar nebula ... the known solar systems in our galaxy possess a Jupiter-type planet in the right place to create an asteroid belt like ours.