University of California astronomers, including three from UCLA, have resolved a mystery about the early universe and its first galaxies.
Searching for life in the vast universe is an overwhelming task, but scientists can cross one place off their list.
Most likely, this is the best-known picture of a flag ever taken: Buzz Aldrin standing next to the first U.S. flag planted on the Moon. For those who knew their world history, it also rang some alarm bells. Only less than ...
ESO's Very Large Telescope (VLT) has achieved first light with a new adaptive optics mode called laser tomography—and has captured remarkably sharp test images of the planet Neptune and other objects. The MUSE instrument ...
The International Space Station is officially home to the coolest experiment in space.
Tech magnate Elon Musk's SpaceX vowed Monday to send its first astronauts into orbit on schedule next year—part of a drive to restore America's dominance of the space race.
While the Moon is uninhabitable today, there could have been life on its surface in the distant past.
Thin, red veins of energized gas mark the location of one of the larger supernova remnants in the Milky Way galaxy in this image from NASA's Spitzer Space Telescope.
Philosophers have debated the nature of "nothing" for thousands of years, but what has modern science got to say about it? In an interview with The Conversation, Martin Rees, Astronomer Royal and Emeritus Professor of Cosmology ...
Historic space weather may help us understand what's coming next, according to new research by the University of Warwick.