The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

Boeing's Starliner astronauts are in the final stretch of their unexpectedly long stint in Earth orbit — and they're setting ...

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

What if reaching Mars took only 30 days? Russian researchers have developed an innovative plasma engine, promising to ...

Jumping workouts could help astronauts prevent the type of cartilage damage they are likely to endure during lengthy missions to Mars and the Moon, a new study suggests. The researchers found that ...

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

Russia's state-owned Rosatom announced a prototype plasma engine which could speed up travel to other planets.

Proponents of going to Mars see peril and opportunity in Elon Musk's close relationship with Trump. Experts say just getting ...

The above image shows a 20-meter-long chunk of frozen carbon dioxide falling off a cliff. Rising temperatures during the ...

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