Science

Following nearly 10,000 older women for 10 years, researchers found that tea drinking was associated with slightly higher hip bone density. Moderate coffee consumption did not appear harmful, but drinking more than five cups a day was linked to lower bone density. The findings suggest tea may offer a small bone-health boost, while excessive coffee could carry some drawbacks.

NASA-funded studies suggest Earth’s climate has been influenced by both the Sun’s travels through dense regions of the Milky Way and the violent superflares of its youth. Those events may help explain ancient ice ages as well as how early Earth stayed warm enough for liquid water when the Sun was much dimmer.

A UN report says it’s possible to get global temperatures back down to 1.5°C above pre-industrial levels by the end of the century, but many researchers regard this scenario as highly unlikely

NASA awarded Blue Origin a contract Tuesday to develop the agency’s Mars Telecommunications Network, a next-generation communications system that will enable reliable, high-bandwidth communications and navigation services for current and future Mars missions. The firm-fixed-price contract has a maximum potential value of approximately $700 million to deliver a high-performance Mars telecommunications orbiter to NASA no […]

Brilliant Venus and a Harvest Moon Use the Moon to find Antares and the Teapot, spot brilliant Venus, welcome the equinox, and see the Harvest Moon near Saturn and Neptune. Skywatching Highlights Transcript The Moon joins a tea party… Venus cranks up the brightness… the seasons officially change… and the Harvest Moon meets up with […]

On Aug. 24, technicians at NASA’s Kennedy Space Center in Florida began installing the four RS‑25 engines in the core stage of the agency’s Space Launch System (SLS) rocket that will carry the Artemis III crew into low Earth orbit in 2027. Each RS‑25 engine has a unique serial number that records its detailed flight […]

Is it possible we’re living in a virtual simulation? Professor Catherine Heymans, the Astronomer Royal for Scotland, does the maths on whether anything is actually real

Injuries from the war in Ukraine have forced the country to develop highly advanced prostheses and fit them in record numbers. What can the rest of the world learn from its efforts?

Most of the matter in the universe is dark matter, but for decades physicists haven’t been able to directly observe it – that may have just changed

Mindfulness, gratitude, and optimism training may improve blood pressure, inflammation, and other heart-health measures within just eight to 12 weeks. The strongest programs paired daily practice with regular reinforcement, suggesting that improving psychological well-being could become another tool for protecting cardiovascular health.