"The extent of the tail is gargantuan, stretching up to 9 million kilometers [5.6 million miles] long," said MIT astronomer Marc Hon.

This asteroid is bigger than scientists anticipated, about 5 miles long and 2 miles wide at its widest point — resembling a deformed peanut.

NASA's Lucy spacecraft recently got an up-close look at a strange peanut-shaped space rock floating through the cosmos in the ...

NASA's Lucy spacecraft, currently journeying toward Jupiter's orbit on its asteroid-hopping mission, captured an impressive ...

Learn about the solar system from a pair of real space museum curators in sci-fi game Elite Dangerous, as Abbie MacKinnon and ...

Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

A NASA rover taking rock samples on Mars has uncovered a plentiful mineral that was invisible to orbiters studying the Red ...

NASA has shared the first closeup images of the Donaldjohanson asteroid, captured by its Lucy spacecraft on a recent flyby around 139 million miles (223 million km) from Earth.

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

NASA's Lucy spacecraft has beamed back pictures from its latest asteroid flyby, revealing a long, lumpy, odd-shaped space ...

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