On Dec. 14, 1962, NASA's Mariner 2 spacecraft flew by Venus. [‘On This Day in Space’ Video Series on Space.com] The Mariner 2 ...

MAVEN (short for "Mars Atmosphere and Volatile Evolution") has been silent since Dec. 4, despite repeated efforts to hail the spacecraft, NASA announced in an update on Monday (Dec. 15). And a ...

Venus and Mars may have once supported life. This video explores the evidence and theories surrounding the potential for life on these planets. #space #aliens #nasa ...

Though my feet have remained on Earth the entirety of 2025, my mind spent a surprising amount of time in space.

Humanity has sent into space everything from lightsabers and Tesla Roadsters to golden records and entire digital genetic ...

"We reported hints of methane, but the question is, 'is the methane attributable to molecules in the atmosphere of the planet ...

On this day in 1962, NASA’s Mariner 2 spacecraft made history with a close flyby of Venus, marking a major milestone in the early years of space exploration. The mission became America’s first ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Venus is a pressure cooker with surface temperatures that melt lead. Yet, in the 1970s, the Soviet Union achieved the impossible: landing probes on its surface. This video chronicles the daring Venera ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...

Astronomers using the James Webb Space Telescope have captured dramatic helium streams pouring off the super-puff exoplanet ...

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...