Perseverance recently explored the rim of Jezero Crater, a 28-mile-wide (45-kilometer) impact crater on Mars that may once ...

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 surface. So, ...

It's not entirely clear how neighboring planet Mars went from a presumably life-supporting planet to a place as dead as all others in the solar system. We do know, however, that whatever water and ...

When the surface of the Sun exploded with activity in May 2024, Earth was hit by the biggest solar storm in more than two decades. The video shown below—made from images captured by NASA’s Solar ...