Health Nov 04 Shorter days and dark afternoons can trigger depression. Here's how to fight back By Carla K. Johnson, Associated Press
Nation Jul 16 America already tried permanent daylight saving time. Could it work now? It's an idea whose time, as it were, may have come — again. By Deepti Hajela, Associated Press
Nation Jul 15 Watch 5:27 What to know about the latest push to make daylight saving time permanent Congress took its biggest step yet toward ending the twice-yearly changing of the clocks. The House passed the Sunshine Protection Act, which would make daylight saving time permanent nationwide. The bipartisan bill now heads to the Senate, where a similar… By Geoff Bennett, Ali Schmitz
Nation Mar 06 This weekend's U.S. clock change brings back debate over daylight saving time Over the last decade, at least 19 states have passed laws to let them stay in daylight saving time if the federal government allows it. By Geoff Mulvihill, Associated Press
Economy Mar 08 Daylight saving time causes lower productivity and higher health care costs, studies say A vast body of research shows that every year, the shift to daylight saving time needlessly exacerbates various health risks, disrupting millions of Americans’ sleep and increasing the likelihood of accidents, health issues and fatal errors. By Joanna Fong-Isariyawongse, The Conversation
Mar 27 Timekeepers may subtract a second from clocks as soon as 2029 as planet spins slightly faster By Seth Borenstein, Associated Press Ice melting at both of Earth’s poles has been counteracting the planet's burst of speed and is likely to have delayed the global second of reckoning by about three years. Continue reading
Mar 07 Why do clocks spring forward? By Jamie Stengle, Associated Press You can thank two world wars, some confusion and a hunger for sunlight. Continue reading
Jun 29 Watch 5:41 Gravitational wave discovery leads to greater understanding of the fabric of our universe By Geoff Bennett, Miles O'Brien, Shoshana Dubnow Albert Einstein theorized that as heavy objects move through space and time, they create ripple effects in the fabric of our universe. Now an international team of scientists have detected new evidence of that. Researchers found new signs of gravitational… Continue watching
Sep 22 Today is the first day of fall. Here's why By Osnat Katz, The Conversation The word “equinox” comes from the Latin words for equal and night. But day and night are not exactly equal length on the equinox. Continue reading
Sep 19 'Rest in Power': America mourns Justice Ruth Bader Ginsburg By Pavni Mittal As the U.S. flag flew at half-staff to honor the life and contributions of Justice Ruth Bader Ginsburg, who died on Friday due to complications of metastatic pancreatic cancer, tributes poured in from politicians, colleagues, celebrities and Americans. Continue reading