AP – Just before the holidays in 2025, Julie Hart felt stuck. A nagging problem she had struggled with for years left her ruminating all day and questioning nearly everything she had ever said, done, or could do.
She was considering…

AP – Just before the holidays in 2025, Julie Hart felt stuck. A nagging problem she had struggled with for years left her ruminating all day and questioning nearly everything she had ever said, done, or could do.
She was considering…

Cars on the road today are 99% cleaner than they were in 1970. Air quality in the United States is much, much better as a result. In Los Angeles, where I live, lead levels in the air were 50 times higher in the 1970s than today, and the amount…

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Physicists have successfully transported antimatter by truck for the first time — a milestone that allows them to study the elusive material with unprecedented precision and could eventually help to explain how matter came to dominate the…

April 7, 2026
4 min read
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NASA’s Artemis II ‘free return’ trajectory lets gravity do the work
An elegant mix of math and gravity powers the Artemis II “free return” trajectory from Earth to the moon and back

Cholera, a dangerous bacterial infection that causes severe diarrhea and can be fatal without treatment, may be significantly reduced through diet. New research from the University of California, Riverside suggests that eating more protein could…

QUICK FACTS
Where is it? Hartbeespoort Dam, North West province, South Africa [-25.74486936, 27.858152164]
What’s in the photo? A vivid-green bloom of toxic algae and planets spreading across a reservoir
Which satellite took the photo? Landsat 8

HOUSTON — President Donald Trump on Monday hailed the courage and grit of NASA’s Artemis 2 astronauts after their historic flyby around the moon, a feat that made them the farthest-traveled humans of all time.

A new study of sleep and bedtime habits has a clear message for those wanting to lower their risk of major cardiovascular problems (such as a heart attack or a stroke): Stick to a regular bedtime.
While health studies often focus on the…