Sci/Tech

NASA had planned to run its wet dress rehearsal for the Artemis II mission at Kennedy Space Center as early as Saturday, but on Friday it announced it was delaying that to Monday because of incoming cold weather, and that takes off two of the five February launch opportunities.

MIAMI – It is no secret that Florida’s iconic coral reefs are in trouble.

Colorectal cancer is now the leading cause of cancer-related death among people under 50 in the United States, according to new evidence from the American Cancer Society.

Northern lights may be visible in swaths of the United States on Monday night, including in places unusually far south, after a powerful X-class solar flare ejected from the sun late this weekend.

Reid Wiseman, a NASA astronaut selected in 2011, said Saturday morning that a few days ago he looked up and saw the crescent moon in the light of the sunrise. He thought about the far side of the moon – the part that is always hidden from Earth.

About the size of a half-dollar, the tiny painted river terrapin hatchling – a critically endangered species – at the Smithsonian’s National Zoo in Washington, D.C., should get an Olympic gold medal.

NASA’s first medical evacuation from space went smoothly with the four members of SpaceX Crew-11 splashing down in the Pacific Ocean off the California coast early Thursday after an overnight departure from the International Space Station.

Scientists are making inroads in understanding one of the central mysteries of human reproduction: Why do women’s eggs deteriorate as they age?

NASA announced a single crew member suffered a medical situation Wednesday on board the International Space Station that forced the postponement of a planned spacewalk. It has since said the crew member is stable, but that the Crew-11 mission may need to leave earlier than planned.

The Washington Department of Commerce vastly overstated the amount of greenhouse gas emissions that would be reduced by eight rebate projects funded by state pollution fees in a report published last year, the agency acknowledged Tuesday.

Dear Friends,

More than two decades ago, scientists digging in Central Africa unearthed the 7-million-year-old remains of what may be one of the earliest known human ancestors.

It’s dusk, and you’re outside taking down the last of the Christmas decorations. Suddenly, you hear what sounds like a ping-pong ball that just got dropped. It starts out slow, accelerates in tempo and then lowers in pitch before coming to a stop.

Spokane has one last chance for grace from a state program that penalizes the city’s solid waste emissions unlike anywhere else in Washington. Without action from the state, the city could be forced to shell out millions annually because of the carbon emissions from its energy-generating trash incinerator.

With plans to launch the massive Starship from Florida next year, SpaceX defended its commitment to airspace safety after a Wall Street Journal article claimed an explosive mission in early 2025 was a greater danger to some flights than previously reported.