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Yong Pei, a computer science professor at Wright State University in Dayton, had an idea for a technology-based alternative to painkillers: glasses that…

As more bodies are found and about 200 more are feared buried beneath yards of sludge, a Brazilian judge ruled that the mining giant must refrain from disposing chemical waste at eight of its dams.

The term "warp speed" was popularized by the Star Trek TV series. With the President announcing Operation Warp Speedto develop a COVID-19 vaccine, scientists and Trekkies discuss the term's history.

Ohio’s first all-mail-in primary is done, after absentee voting was extended following the closure of polling places just before in person voting was...

"We've just witnessed a historic vote for Canada. The end of 90 years of prohibition," Sen. Tony Dean, one of the bill's sponsors, told the CBC.

Top reporters open their notebooks and look ahead to the week in Washington and around the globe.

In many places, spring happens gradually. But in far-north Fairbanks, Alaska, birch and aspen trees often put their leaves out over a span of just 24-48 hours, a dramatic event known as "greenup."

Students of color at a high school, a law school and two universities have objected to the way historical murals have portrayed Native Americans and African Americans.

Most of the largest civil settlements for police killings were in liberal areas in the year after the Ferguson unrest. Now, lawyers say current protests are hardening political divisions on policing.

"Protecting biodiversity amounts to protecting humanity," says UNESCO Director-General Audrey Azoulay, who warns that species are being lost at an alarming rate.