Scientists uncover massive, diverse ecosystem deep beneath Earth’s surface

Degrading LIGO’s observations of gravitational waves would amount to “killing a newborn baby,” one astrophysicist says

Images will help scientists better understand and predict our star’s magnetic field and solar activity

With DNA focused almost entirely on replication, newly discovered organism blurs the line between cells and viruses

Personal care products may chemically alter the air around us. Whether that’s good or bad remains unclear

U.S. should plan to build machine to hunt for new subatomic particles, National Academies report says

District judge could declare terminations unlawful—or toss suit based on technicalities

A tiny sliver of NIH, it has provided an evidence base for bedside care, shrinking mortality and saving dollars

Fossilized gut contents show sauropods weren’t picky eaters—and didn’t chew their food much