For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

Because Pluto is so dim, you need a telescope to see it. “A backyard telescope could do it under the right conditions,” says ...

Astronomers using the Subaru Telescope have discovered a strange new body in a weird orbit at the edge of the solar system, ...

If it weren't for the new budget, New Horizons could keep exploring the outer reaches of the solar system into the 2030s.

A meteorite from Mars, the largest piece ever found on Earth, sold for $5.3 million to an anonymous bidder at a Sotheby's auction in New York on Wednesday.

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

It took over nine years for New Horizons to reach Pluto after blasting off atop an Atlas 5 rocket on Jan. 19, 2006. After ...

Mercury is notoriously difficult to see from Earth, thanks to its proximity to the Sun. But on July 4, Mercury reaches its ...

NASA and USGS are mapping critical minerals in the American West using airborne sensors to help reduce U.S. reliance on ...

It was one of the most ambitious missions for NASA since the turn of the century, with photos reshaping what scientists know ...