Now atop Jezero Crater, the robotic explorer found quartz indicative of habitable environments and possibly the oldest rocks yet seen in the solar system.
A solar wind event days before the NASA probe flyby in 1986 may have compressed the planet’s magnetosphere, making it look odder than it usually is.
In 1974, astronomers discovered Jupiter’s 13th moon. They now know of at least 95 moons and have launched missions to study some up close.
Just a few smashups in the asteroid belt may account for 70 percent of Earth’s meteorites, limiting what’s known about our solar system’s history.
Over her long career, Bonnie Buratti has seen the search for life in the solar system go from a joke to a flagship mission.
Saturn joins the sun’s other giant planets that have Trojans, space rocks that orbit along the same path.
Launched October 14, the spacecraft will repeatedly buzz Europa in search of water, energy and organic compounds.
The Earth’s ambipolar electric field is weak but strong enough to control the shape and evolution of the upper atmosphere.
Images by the James Webb telescope of six Jupiter-sized worlds, one of which may have a moon-forming disk, reveal clues into how planets and stars form.
The discovery of 22,000 previously unseen moonquakes, plus a new idea of what causes them, could help us better prepare for trips there.
