If I were on Mars, how often would I see Earth transit the Sun? Steven RiserConyers, Georgia From Mars, Earth transits the ...

Tests conducted with tardigrades suggest that there is something in Martian dirt that dramatically reduces biological ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

The ESA's Mars Express and ExoMars Trace Gas Orbiter spacecraft watched as a superstorm that ravaged Earth also struck the ...

A new study shows how simulated Mars dust affects tardigrades, offering insight into space farming and contamination risks.

On Earth, knowing the time feels simple. Your phone pings the same second as a GPS satellite and an atomic clock in a lab. Everything is wired together so well that you rarely think about the ...

A huge solar storm struck Mars in 2024, supercharging its upper atmosphere and briefly disrupting spacecraft orbiting the Red Planet.

What turns an oddly patterned Martian rock into one of the most watched clues in planetary science? For NASA’s Perseverance ...

Small but mighty, the red planet — our celestial neighbor — has made Earth’s climate what it is today. Mars’ gravitational pull serves as a stabilizing force for our home’s orbit, tilt and position ...

"Life might actually survive being ejected from one planet and moving to another." ...

Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find.

Mars is known for its barren desert landscape and dry climate. But two recent studies in the journals Nature and Science go beneath the surface,... The core of Mars looks like Earth’s. What makes the ...