Mars

The world’s richest man, Elon Musk, owes his superstar success to self-satisfied competitors who blew obvious opportunities

An underground Martian ocean could hold enough liquid to cover the Red Planet with a mile of water

Mysterious “leopard spots” on a Martian rock could be evidence of extraterrestrial life—or of mere lifeless chemistry. Finding out the truth may require bringing the rock back to Earth

It’s been 55 years since the Apollo 11 mission, innovative ​​“stillsuits” designed to recycle astronaut pee could enhance spacewalks, and a surprising case of the plague has occurred in Colorado.

Despite an eye-watering price tag, bringing pieces of Mars back to Earth promises to revolutionize our understanding of life’s place in the early solar system

Facing budgetary pressure for its Mars Sample Return program, NASA has turned to private industry for ideas—perhaps with one specific company in mind

We should return samples from Mars to answer fundamental scientific
questions. That could mean stretching out the mission to keep NASA’s
other projects intact

NASA's Jet Propulsion Laboratory is eliminating nearly 600 workers due to funding shortfalls for the space agency's Mars Sample Return mission

NASA’s enterprising Mars helicopter and its remarkable 72 flights offered a new vision of planetary exploration

After an unexpected communications dropout, NASA’s Ingenuity helicopter is back in business on Mars

NASA’s Mars Sample Return program is the agency’s highest priority in planetary science, but projected multibillion-dollar overruns have some calling the plan a “dumpster fire”

Today’s Silicon Valley billionaires grew up reading classic American science fiction. Now they’re trying to make it come true, embodying a dangerous political outlook