In the center of our galaxy, gigantic, balloon-like structures of high-energy radiation extend thousands of light-years above...
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On July 20, 1969, NASA astronaut Neil Armstrong took humankind’s first steps on the Moon. And now,...
Researchers have long puzzled over the presence of driftwood and lake sediments in Stanton’s Cave in the...
A comet unlike any seen before has fixated astronomers around the world. An observatory in Hawaii has...
It’s been more than a year since Starliner’s failed test flight left a crew stranded in space,...
Astronomers in Japan have spotted a distant object orbiting the Sun far beyond Neptune, pointing to an...
On July 15, a solar filament erupted from the Sun’s upper left side, ejecting a powerful blast...
The first-ever baby pictures of a solar system that’s not our own are finally here—and they’re beautiful—and...
On July 14, 2015, NASA’s New Horizons spacecraft flew past Pluto, revealing unprecedented close-up views of the...
When Voyager 2 flew past Uranus in 1986, the spacecraft detected a surprisingly low level of internal...
