NASA’s ESCAPADE mission studies how solar wind removed Mars’ atmosphere, using twin spacecraft to measure atmospheric escape, magnetosphere changes, and space weather impacts.

Ever since humans gazed at the night sky, we’ve been drawn to that tiny reddish dot hovering above. Mars has captivated our imagination for generations, sparking countless questions about whether we ...

(NEW YORK) — Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick atmosphere, which kept it warm enough to support flowing water on its ...

Add Yahoo as a preferred source to see more of our stories on Google. Mars just gave up one of its oldest secrets — and it took a decade, a spacecraft, and a cosmic cannonball to catch it in the act.

For years, scientists have puzzled over how Mars lost the thick atmosphere it once had. That atmosphere was essential for liquid water to exist on the planet’s surface, billions of years ago. Today, ...

New findings from NASA’s Mars rover Curiosity could provide an answer to the mystery of what happened to the planet’s ancient atmosphere and how Mars has evolved over time. Researchers have long ...

Envision a time when hundreds of spacecraft are exploring the solar system and beyond. That’s the future that NASA’s ESCAPADE, or Escape and Plasma Acceleration and Dynamics Explorers, mission will ...

A NASA rover taking rock samples on Mars has uncovered a plentiful mineral that was invisible to orbiters studying the Red Planet from space. Scientists say the discovery of siderite, a type of iron ...

'The good news is you can't make Mars too much worse.' ...