planetary-science

NASA's Perseverance rover gains autonomous navigation and AI-planned driving while the ESCAPADE twin spacecraft head for Mars orbit, but Congress's cancellation of Mars Sample Return hands the prize of returning Martian rocks to China's Tianwen-3 mission.

JWST observations of super-Earth L 98-59 d reveal a sulfur-dominated atmosphere sustained by a perpetual magma ocean, a combination that fits no existing planetary category and may define a new class of exoplanet.

A University of Washington team identifies signs of a catastrophic planetary collision around star Gaia20ehk, offering the first real-time analog of the giant impact that created Earth's Moon 4.5 billion years ago.