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Ancient organisms may have left microscopic "biosignatures" on Mars. That's according to NASA scientists, who say a rock sample offers the most concrete proof yet that the red planet once hosted life.

State lawyers are defending the Office of Children’s Services in a three-week trial slated to end Sept. 11.

Scientists tracking the birds in an experimental forest in New Hampshire have also tracked changes in the forest ecosystem over decades.

In an interview about the new book he co-authored, Science Under Siege, Hotez talks about forces driving the anti-science movement, the risks it poses — and why he won't debate RFK Jr.

At least 19 people have been killed in the protests and more than 200 others were admitted to the hospital due to injuries, according to Nepal's Civil Service Hospital.