The space roar, which was detected by NASA's ARCADE mission in 2006, makes space six-times louder than anyone was expecting — have we finally found the cause?
Thunderstorms on Jupiter are so strong that they create ammonia-rich hail known as "mushballs" that may fall from the sky.
This stunning image, taken by ESO’s Very Large Telescope (VLT), shows the "space butterfly," the planetary nebula NGC 2899.
NASA's car-size Curiosity rover celebrates eight years on the Red Planet today (Aug. 5), less than a week after the Perseverance rover took flight toward Mars.
When room and supplies are limited — like during space travel — you need to optimize for a different set of goals to meet the needs of the people you are trying to feed.
Tropical Storm Isaias battered the U.S. mid-Atlantic coast with torrential rains and powerful winds on Tuesday (Aug. 4) as NASA and NOAA satellites tracked the storm from space.
A new NASA space observatory could push planet-hunting forward at warp speed by gathering data up to 500 times faster than the venerable Hubble Space Telescope does.
Here's your chance to have your astronomical questions answered by astrophysicist Joe Pesce in our Space.com Forums!
Early Mars may not have been quite the warm, wet paradise scientists have hoped for — not if the valleys scarring its surface work the same way as their counterparts here on Earth do.
The United States Space Force has a new recruit in their mission to keep planet Earth safe. His name is Ghost, and he likes to go clip-clop on the beach.
Neowise is the first bright comet to be visible with the naked eye from the northern hemisphere since the mid-1990s.
Scientists may one day be able to predict dangerous solar flares just one day in advance using a new solar outburst model, a new study finds.
You can breathe easy now: All is officially well with NASA's newly launched Mars rover Perseverance.
Fridays at 1 p.m. EDT (17000 GMT), Space.com staff writer Chelsea Gohd will host the brand new series "Space Chat."
A weird long cloud has formed so many times over the same Martian volcano that scientists have given up and named it.
New 3D supercomputer simulations show the early stages of planetary collisions, demonstrating what may happen to an Earth-like planet struck by a giant object.