Winter Solstice 2025 arrives on December 21st, marking the Northern Hemisphere's shortest day and longest night. This ancient event, when Earth's tilt causes the sun to appear stationary, signifies a turning point. Historically a symbol of hope and renewal, it reminds us that light will gradually return, heralding the end of winter's grip.

The ‘Bridging the Swarm’ mission comes two days after the company launched its ‘RAISE and Shine’ flight for JAXA. Liftoff is scheduled for 1:55 p.m. NZDT / 0055 UTC on Dec. 16 (7:45 p.m. EST on Dec. 15).

Under the direction of Robert F. Kennedy Jr., federal health officials have changed guidance on hepatitis B vaccines, potentially affecting millions of California infants who are at risk of dying from liver cancer later in life if they contract the virus.

Around 1,000 years ago, a major climate shift reshaped rainfall across the South Pacific, making western islands like Samoa and Tonga drier while eastern islands such as Tahiti became increasingly wet. New evidence from plant waxes preserved in island sediments shows this change coincided with the final major wave of Polynesian expansion eastward. As freshwater became scarcer in the west and more…

"...we wanted to find out if an AI system can learn values the way children do, by observing people in their culture and absorbing their values."