Sci/Tech

NASA is set to begin fueling 700,000 gallons of cryogenic propellant on the Space Launch System rocket at Kennedy Space Center on Thursday as its moved ahead with a test countdown of the Artemis II mission.

NASA is looking to make sure the problems with leaks in its moon rocket have been remedied with another Artemis II test run slated for Thursday night that could set up a launch in early March. Teams tried to run through what’s called a wet dress rehearsal on Feb. 2 but ran into familiar problems with leaks of cryogenic liquid hydrogen flowing from ground equipment into the core stage of the ...

Ten years after the Paris Agreement took effect, newly released climate datasets show the world warming at an accelerating pace, with 2025 ranking among the three hottest years ever recorded, and ocean heat and sea levels crossing new thresholds.

No one likes to get duped by fake news, including the red-breasted nuthatch. A year-round resident of the Inland Northwest, this quirky little bird does its best to verify information before retweeting it to other nuthatches.

WASHINGTON – Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its gaseous neighbors, possibly after much of the planet-forming material had been used up.

NASA has let Axiom Space make four visits to the International Space Station and last month awarded it the right for the fifth visit next year, but on Thursday the agency announced a new company would be allowed a private mission as well.

Inside a cancer research laboratory on the campus of Harvard Medical School, two dozen small jars with pink plastic lids sat on a metal counter. Inside are the core of Joan Brugge’s current multiyear research project.

If the planet is getting warmer, why is it so cold this winter?

PHILADELPHIA – The rollout of so-called virtual nurses in hospitals remains a mixed bag, University of Pennsylvania researchers have found in the largest survey to date on nursing care delivered remotely through a screen.

Bill Nye let a packed crowd at the Orange Convention Center know that it’s not a good idea to send a human on a one-way trip to Mars. “Although there’s a few I wouldn’t mind,” he said earning another chuckle during his hour-long, humor-filled speech at SpaceCom, the big event during Commercial Space Week which draws players from government and private industry each year to Orlando. Nye, known ...

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.