The Curiosity rover captured this selfie at the clay-rich site where the new study was conducted. —NASA/JPL-Caltech/M…

—Getty Images Muscle strength is crucial for good health, particularly as you get older . But muscle naturally de…

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—Thomas Barwick—Getty Images Polarization has become one of the defining threats to American democracy. The phil…

A woman is seen outside the house where a mass shooting took place in Shreveport, La., on April 19, 2026. —Gianrigo M…

Abigail Spanberger during a "Virginians For Fair Elections" canvassing event in Woodbridge, Virginia, on Ap…

Donald Trump speaks about the conflict in Iran in the James S. Brady Press Briefing Room of the White House on April …