Daylight-saving time starts on Sunday. Some US senators are trying to get rid of the clock-change ritual.

Daylight-saving time starts on Sunday, March 14 at 2 a.m. Clocks will move forward one hour.…

These were the 20 days when America saw the most death from a single catastrophe in the last 100 years. Half are in the last 2 weeks.

December 9 was the deadliest day of the COVID-19 pandemic so far: The virus killed 3,164…

The 46 top climate-tech startups to watch in 2021, according to VCs

VCs are pouring money into climate-tech startups developing everything from batteries to machines that capture carbon…

Antibody tests around the world suggest very, very few people have built immunity to the coronavirus

Antibody tests can measure whether a person's body has developed a protective response to an illness,…