International Dark Sky Week 2025: See these 10 night sky sights to celebrate

April 21 – 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations and people take action to raise awareness of an inevitable…

Animals have developed a mind-boggling variety of ways to become male or female.

[S]o far, researchers have uncovered a dizzying array of exceptions to the XX/XY “rule:” birds and butterflies that use the ZW system, in which males have a matching pair of sex chromosomes (ZZ)…

Multi-spacecraft radio observations trace the heliospheric magnetic field

Overview of a type III burst observed by four spacecraft. (a) Dynamic spectra. (b) Time profiles at four frequencies with intensity scaled to 1 au. (c) Intensity peaks from panel…

Ancient underground chamber discovery in Cnoc Ard

A construction project in Cnoc Ard (Knockaird) on the Isle of Lewis has revealed a stone-built underground chamber, later identified by archaeologists as a Late Iron Age souterrain. Souterrain, derived…

Infant Social Skills Thrive Despite Hardship

Summary: A large international study finds that babies living in insecure conditions, including as refugees, display key social skills on par with children raised in more stable environments. Using eye-tracking…

‘Zombie’ skin cells may be harmful or helpful, depending on their shapes

Skin-related fibroblasts with nuclei stained green and f-actin stained red. Credit: Jude Phillip, Johns Hopkins University Senescent skin cells, often referred to as zombie cells because they have outlived their…

Trump backs Canadian deep-sea mining, risking international clash

President Donald Trump’s move on Thursday to kickstart deep-sea mining could be a lifeline for the Canadian company that is pushing to be the first to supply strategic minerals from the ocean floor. The…

A green technology for the closed-loop recycling of vat dyed textiles

What to know about processed and ultra-processed food

Amy Fletcher, Pilot Plant manager, and Reid Waterman, third-year food science major, start the ice cream maker in the pilot food processing facility on the UC Davis campus. Store-bought ice…

Medical debt tied to higher likelihood of forgone mental health care

More than one in seven adults reported carrying medical debt in 2023, and of these, one in three forwent mental health care in the subsequent year, according to a research…