A skywatcher gazes up at the Milky Way galaxy's dusty core in this glittering photo taken from the Chajnantor plateau in Chile's Atacama Desert.
Today (Sept. 23) marks the first day of fall in the Northern Hemisphere and the first day of spring in the Southern Hemisphere, and Google has made a charming doodle to celebrate the occasion.
This morning (Sept. 23) at 3:49 a.m. EDT (0749 GMT) marked the official celestial beginning of autumn in the Northern Hemisphere.
Using rockets to send all the equipment and supplies for building and maintaining long-term settlements on the moon would be hugely expensive.
Astronomers have identified a half dozen exoplanets that may be made of an exotic form of matter unknown on Earth.
Brad Pitt delivers a captivating, delicate and dramatic performance in "Ad Astra," but the real star of the movie is the solar system.
President Trump said the U.S. space program is doing tremendous work with commercial companies to eventually send NASA astronauts Mars.
In the most extreme regions of the universe, galaxies are being killed. Their star formation is being shut down and astronomers want to know why.
Three trailblazing scientists and engineers spoke on a panel about being women working at NASA during the Apollo program.
If you're skeptical that NASA can land astronauts on the moon five years from now, you're not alone.
A nonprofit organization has announced the winners of two international contests that support under-represented minorities in science and space.
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