The wildfire flames have spread rapidly across Crete, reaching homes as well as hotels and other tourist accommodations.

The Mars rover found geological formations in Gale Crater showing how water percolated beneath the surface, and ...

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Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

NASA’s Jet Propulsion Laboratory (JPL) has shared its skywatching highlights - revealing what will light up the sky in July ...

A little-known fact to the general public is that there's more moving around Jupiter's orbit than just the giant gas planet.

NASA is investigating a problem with the electric propulsion system on its Psyche asteroid spacecraft, but said it is not currently a major concern. Close Newsletter Sign Ups ...

NASA's Psyche spacecraft, located nearly 150 million miles from Earth on the way to an unexplored metal asteroid, has stopped firing its engines after detecting a problem in its propulsion system.

NASA adopted one of the solutions it previously discussed, switching to a backup propellant line. That line is now working and the agency said that Psyche will restart its thrusters by the middle ...