New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once ...

A deceptive difference having to do with Earth's and Mars's gravity may be the reason why NASA's rovers get stuck in the ...

Coustenis noted that U.S. President Trump's budget request to Congress does not support NASA's Mars Sample Return (MSR) ...

Mars is usually a safe 225 million kilometers away from Earth, but what if the red planet went off course and headed straight ...

Planetary scientists search for ancient impacts to learn about Earth’s early formation. So far, nobody has found an impact ...

New research published in Nature Communications identifies an iron sulfate on Mars that may represent a brand-new mineral.

In the grand theater of the cosmos, where celestial bodies waltz to the timeless rhythms of gravity and motion, lies a story ...

As it soared past Mars in March, NASA's Europa Clipper conducted a critical radar test that had been impossible to accomplish ...

Placing an atomic energy source on the lunar surface is “not science fiction,” experts say, but does pose technical ...

The Bosumtwi impact crater in Ghana is different, however. It is well preserved (not deeply eroded or buried under sediments) ...

NASA’s Europa Clipper spacecraft just aced a key radar test while flying past Mars, proving its ability to detect structures ...

ISRO’s HOPE station in Ladakh will serve as a testing ground for future Moon and Mars missions by simulating extreme ...