Astronomers are arguing about whether they can trust this untested—and potentially untestable—idea
The science fiction writer also talks about the future of space travel
Thanks to a new book, these female pioneers who helped the U.S. win the space race are finally getting their due
A Nevada real estate magnate has poured $290 million into a wild dream of being a landlord in outer space. His first tenant: NASA
The enormous impact basin may be slowly traveling across the dwarf planet’s surface
The NASA adviser and author of a new book gives some insight on living beyond the Earth's atmosphere
You asked, we answered
Scientists are sitting on top of the world after this monumental discovery and are eager to keep exploring the universe
A collision with a large object may have triggered changes deep inside the planet that ultimately affected its atmosphere
As NASA dives into the data from astronaut twins, take a look back at the famous, and infamous, results we've seen from this popular research tool
At the National Air and Space Museum, beautiful images show how the moon's pockmarked surface is rife with mystery
Data from astronauts who spent 340 days in orbit will add to almost 55 years of research on how low gravity sends Earthlings for a loop
An inflatable space habitat test highlights the futuristic visions we've had for housing, from cities under glass to EPCOT
Journey to the Center of Earth
Meteorites give scientists a glimpse into our early solar system, but the sun's rays and melting ice may make these extraterestrial crumbs harder to find
Two merging black holes sent out a signal 1.3 billion years ago that now confirms a key prediction of Einstein's relativity
The objects may help explain why our galaxy and its neighbors are hurtling towards a seemingly blank zone called the Great Attractor
Simulations show that water and CO2 can be a surprisingly deadly combo on some unfortunate worlds
Unusual silica formations spotted by a NASA rover look a lot like structures formed by microbes around geysers on Earth
Ancient astronomers were tracking planets using math believed to have first appeared in 14th-century Europe
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