News
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Health & MedicineVessel rescue
A blood pressure medication limits damage to the aorta in people with Marfan syndrome, possibly signaling a new therapy for the condition.
By Nathan Seppa -
EarthUnder Ice
Cruising in an icebreaker to the top of the world, scientists identified the aftermath of an event once thought impossible: a violent volcanic eruption on the deep-sea floor.
By Sid Perkins -
LifeFossil helps document shift from sea to land
New fossils of an ancient, four-limbed creature help fill in the blanks of the evolutionary transition between fish and the first land-adapted vertebrates.
By Sid Perkins -
AstronomyImpact may have transformed Mars
Three teams suggest that a huge object slammed into Mars, giving the planet an unusually dualistic topography.