Excluding Mercury, this newly discovered asteroid has the smallest known aphelion distance in our entire solar system.
Find out everything there is to know about astronauts and stay updated on the latest space news with the comprehensive articles, interactive features and space pictures at LiveScience.com. Learn more about these fascinating scientists as they continue to make amazing discoveries.
NASA's Juno probe discovered a giant new storm swirling near Jupiter's south pole last month, a few weeks after pulling off a dramatic death-dodging maneuver.
Taku glacier in Juneau, Alaska, is the world's thickest mountain glacier and was supposed to continue growing through the end of the century. Now, it's losing ground due to climate change.
Beyond the outer edge of the solar system, mysterious, unknown worlds await by the thousands. Astronomers can now finally find these exoplanets. But will we find another Earth?
NASA is gearing up for a marathon of spacewalks, and one of them could be the first spacewalk to be conducted entirely by women.
Scientists have spotted what may be the best example yet of a star being ripped to shreds by a massive black hole. Here's what they found.
What happens when you look at a black hole from the side? According to a new NASA simulation, doing so warps the fabric of the universe.
Mars mission managers are dealing with the biggest source of electromagnetic interference in the solar system.
The Apollo 11 mission to the moon was one of humanity's most incredible feats, but it almost didn't happen.
That may be true for the short missions astronauts have gone on so far. But Mars will be a different story.
A team of Chinese researchers hasve won a NASA competition to design the best- possible method for humans to spread across our galaxy.
Something dark is spreading across the surface of Titan, and physicists have a new piece of evidence to explain what it is.
Such a mission would have to keep two spacecraft, separated by thousands of miles, aligned within 3 feet of each other.
A NASA mission to an ancient iron-nickel hunk has entered its final design phase, a key milestone on the way to reaching the distant destination in the mid-2020s.
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