Arsia Mons, which dwarfs Earth's tallest volcanoes, and its two neighboring volcanoes are often surrounded by water ice ...

On May 2, as sunlight crept over the Martian horizon, the Odyssey spacecraft captured Arsia Mons, a towering, long-extinct volcano, puncturing a glowing band of greenish haze in the planet’s upper ...

Sen. Ted Cruz's newly unveiled legislative directives for Senate Republicans’ budget reconciliation bill would dedicate ...

The White House’s budget plan for NASA would be woefully inadequate for achieving near-term human voyages to Mars, experts ...

If you've spent any time perusing the carousel of raw images from NASA's Perseverance Mars rover, you might have stumbled ...

NASA’s MAVEN spacecraft has observed atmospheric sputtering on Mars for the first time, confirming how solar wind stripped the Red Planet’s thick atmosphere and transformed its climate.

After nearly a decade in orbit, NASA's MAVEN spacecraft has, for the first time, directly observed the process that ...

Elon Musk, who founded SpaceX in 2002, has a bold vision for sending Starship to Mars. Experts weigh in on what's realistic ...

A NASA Mars smallsat mission bumped from the first launch of Blue Origin’s New Glenn is tentatively set to fly on the second ...

Mysterious dark streaks first observed on Mars in the 1970s are not what many believed they were. Scientists now say the ...

NASA scientists have discovered evidence that could help answer questions surrounding the history of water loss on Mars.

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.