Thunderstorms on Jupiter are so strong that they create ammonia-rich hail known as "mushballs" that may fall from the sky.
NASA's Mars helicopter, called Ingenuity, is hitching a ride to the Red Planet with the agency's Mars 2020 Perseverance rover.
For the first time ever, NASA's Perseverance rover will collect the sounds of Mars — starting as the spacecraft plummets through the atmosphere to its landing site at Jezero Crater.
A federal program for investigating UFOs was purportedly discontinued in 2012, but the Pentagon's search for UFOs never stopped. Its findings may soon be released to the public.
You can breathe easy now: All is officially well with NASA's newly launched Mars rover Perseverance.
Space.com's editors present a reading list for space and sci-fi lovers, as well as children who are interested in astronomy and spaceflight.
What if, when the U.S. went to the moon in the 1960s, it never stopped — not by choice but in desperation, as a time bomb of climate change ticked away?