Organisms that have evolved down “one-way” paths may lack the flexibility to respond to new selection pressures in particular ways and have to figure out new strategies to change. In lineages such as ...

Amazon has announced a $1 million contribution to President-elect Donald Trump's inauguration fund, along with an in-kind donation of streaming services via Prime Video, also valued at $1 million.

In a materials science discovery, scientists made a liquid silk solution that hardens and picks up objects—not unlike ...

These are the 20 best travel gifts on Amazon for the holiday season, according to a frequent flier. Top picks include ...

Shop our 35 picks for the best last-minute gifts on Amazon, from bags and jewelry to tech gadgets and foodie finds (all with Prime shipping, of course).