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About 500 guests honored the physicist at Saturday's private service in Cambridge, his intellectual home for half a century. The procession was met by admirers who lined the streets to share memories.

Scientists have discovered the proboscis butterflies use to suck nectar from flowers existed before flowers did. So: What were ancient butterflies using their long, tongue-like suckers for?

The number of cases has prompted a ban on public gatherings — and concern from the World Health Organization. The disease is spreading in cities and has claimed 30 lives so far.

Leon Sanchez Reyes is one of an untold number of students who straddle the U.S.-Mexico border — caught between two worlds amid stepped-up immigration enforcement under President Donald Trump and, before him, President Barack Obama.

It's possible that string theory or the multiverse may find strong links with data, but a recent book provides a view of what a truly different philosophical approach would look like, says Adam Frank.

The vice president visited Tokyo Wednesday. The U.S. and Japan both favor hard-line policies toward North Korea but South Korea wants dialogue and has welcomed the North's team to the Winter Olympics.

The Scripps Institution of Oceanography at UC San Diego and the Desert Research Institute of Reno will split a$3 million, five-year grant from the National Oceanic and Atmospheric Administration to improve the ability of decision-makers to plan for hazards and extreme events, Scripps announced Thursday.

Scientists will search the sky Thursday for an undiscovered planet in the outer solar system — they're pretty sure it's out there, and computer models tell them where to look.

NPR's Scott Simon talks to behavioral scientist Uri Simonsohn about how one of the scientists behind 2010 research on 'power poses' is distancing herself from that work.

Government flood maps may need to be redrawn following Harvey. That, in turn, could have implications for insurers.