Stephanie Pappas

A large extinction in the midst of the expansion of life during the Cambrian period was caused by the tectonics of a supercontinent, new research argues.

The Parkfield section of the San Andreas fault is sending mixed messages before a time of expected increased seismic risk.

A clinical trial of a new method to activate and kill HIV in the body shows small success, but it’s not yet a cure.

Record earthquake activity off the coast of Vancouver Island hints at the birth of new oceanic crust.

A simulated form of carbon called BC8, or ‘super-diamond’, could be 30% tougher than normal diamonds, but synthesizing it on Earth won’t be easy.

Wim Hof, known as “The Iceman,” purports a combination of breathing exercises and cold exposure has many health benefits. But a new review of studies finds there’s limited evidence.

Complex organic molecules spotted by the James Webb Space Telescope may hint at how habitable planets form.

The oldest-known sex chromosome emerged in octopus and squid between 455 million and 248 million years ago — 180 million years earlier than the previous record-holder, scientists have discovered.

Tall, many-armed star dunes are common in deserts worldwide, but scientists know little about the histories of these formations.

The South Atlantic Anomaly makes a section of the southern aurora weaker and likely dimmer.