Formaldehyde-free hair-straightening products have been marketed as a safer option, but they may pose a risk to kidney health, a case series suggests.

A multicolored mural discovered in Peru is shedding light on pre-Inca coastal artistic traditions.

In a dazzling new photo, the James Webb Space Telescope zooms in on the Butterfly Nebula — the dying gasps of one of the hottest stars in the sky, which could hold clues to Earth's origins.

The current hurricane classification does not consider storm surge and rainfall risks, which cause almost 80% of hurricane-related deaths. A new scale could help people better prepare for storms.

Researchers have unveiled Kostensuchus atrox, a giant crocodile relative that ate dinosaurs in Argentina 70 million years ago during the Cretaceous period.

New models suggest that Ceres, the asteroid belt's largest object, once had a radioactive core that could have sustained life in the dwarf planet's hidden subsurface ocean billions of years ago.