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NASA's orbiting Mars probe has spotted two surprises in the Red Planet's atmosphere: an unexplained dust cloud and a deep ultraviolet aurora.
Rallying back from a mechanical failure, the telescope helps confirm the existence of an exoplanet 2.5 times the diameter of Planet Earth.
By using the world's preeminent telescopes, astronomers peer behind a curtain of dust to find a giant star-making factory known as "Sparky."
Since the 1950s, probes sent into space have been sending back data that reveal eerie sounds from the vastness of the galaxy.
Ever wanted to hold a nebula in your hands? Well now you can thanks to plans from NASA. Warning: It kind of looks like two molars stuck together.
There's 400 percent more light in intergalactic space than sources could produce, say researchers. Could dark matter be the cause?
IRIS is NASA's newest toy for studying the sun. It just observed its first solar eruption, and it was a doozy.
Crave's Eric Mack recently trekked to the top of Hawaii's Mauna Kea volcano to visit one of the most advanced observatories on Earth, the "eyes of humanity" in the middle of the Pacific.
Chinese researchers have done the seemingly impossible: observed and recorded an instance of ball lightning completely by accident. And it bodes well for a decade-old theory about the nature of the conundrum.
NASA's Mars Atmosphere and Volatile Evolution -- MAVEN -- spacecraft starts a 10-month voyage to the Red Planet to study how the martian atmosphere has changed over time.