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 ...

MAVEN (Mars Atmosphere and Volatile EvolutioN) is one of only three NASA missions currently in operation around Mars, and one ...

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

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

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 ...

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 ...

The dream of colonizing other planets is a science fiction fantasy. This video presents a harsh, scientific reality check on our solar system. We analyze the lethal conditions on Mars, Venus, and ...

Dubbed HD 143811 AB b, the interstellar entity is a gas giant that’s located some 446 light-years away from Earth in a galaxy ...

After less than a year in orbit, the Southwest Research Institute-built PUNCH spacecraft have made major accomplishments, ...

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to ...