NASA captured strange, rarely seen atmospheric waves rippling high above Hurricane Simon as the powerful storm roared along Mexico’s coast. Although…

Nearly 50 years of NASA satellite data reveal a troubling decline in Arctic sea ice, raising the possibility of a nearly…

A 100-million-year-old volcanic arc in Iran holds clues to the history of a vanished ocean whose closure helped shape the Middle…

An algal protein helped scientists reactivate a fear memory in mice, turning light into a tool for testing what specific brain…

For people with blood cancers called myelodysplastic syndromes, osteoporosis may hold an overlooked clue to survival, a three-year observational study suggests.…

Earlier cancer studies may need a second look after researchers found that a drug acts mainly on an unexpected target. An…

SpaceX has delivered tiny brain models, 3D heart tissue, and artificial retina technology to the space station in a mission that…

The Milky Way’s central black hole could lose mass by powering escaping particles, and new calculations suggest how astronomers might detect…