A mysterious explosion on the sun's far side has launched a blob of plasma and radiation that is forecast to slam into Mars. If the solar storm hits the Red Planet, it could trigger faint ultraviolet ...

Researchers estimate that the number of captured free-floating planets in the outer solar system with mass strictly greater than that of Mars is ∼1.2 and that the number of such planets with a strict ...

STONEHAM, Mass. (CNN) – Peter Degen-Portnoy is going to Mars, or at least he seems to genuinely hope he will. The 51-year-old Stoneham resident is among 100 semifinalists for a one-way trip to the Red ...

A long-ago inward migration by Jupiter during the formation of our solar system could explain why Mars is small in relation to Earth and Venus, according to a paper published in Nature. Researchers ...

What tests can be performed on Earth to help us find signs of ancient life on Mars? This is what a recent study published in Frontiers in Astronomy and Space Sciences hopes to address as a team of ...

NASA’s proposed mission to return samples picked up by its Perseverance Mars rover is in big trouble. Anticipated budget cuts have forced the agency’s Jet Propulsion Lab to let go of a whopping 530 ...

Determining the size of an Earth-size exoplanet by the amount of starlight it blocks hundreds of light-years away once was the realm of science fiction. Measuring the mass of such a small planet based ...