A new study suggests that the Grand Canyon’s oldest and deepest rocks were exposed by a massive ancient cliff that stretched…

A baby’s first meals may shape attention for years, with longer exclusive breastfeeding linked to fewer ADHD symptoms through age eight.…

Rare cancer-killing T cells expand markedly in some exceptionally old adults, suggesting the immune system may continue adapting even at extreme…

Diacerein did not relieve knee osteoarthritis symptoms in a major trial, but patients should speak with their doctor before stopping it.…

Faint stars hidden inside massive early galaxies suggest some may contain several times more stellar mass than previously estimated. Some of…

A new study suggests that pulsar timing arrays could help reveal how the Universe’s first supermassive black holes formed. A faint…

NASA’s Nancy Grace Roman Space Telescope has cleared a key milestone ahead of launch after mission managers from NASA and SpaceX…

Polyamines may protect cells from toxic iron buildup by keeping reactive iron under control. Iron keeps cells alive, but when too…