Stephanie Pappas

NASA will send astronauts Butch Wilmore and Suni Williams home from the International Space Station early on a previously used SpaceX Dragon space capsule, not on a brand-new one, the agency announced.

Ten months of unrest at Mount Spurr could be a sign of an upcoming eruption from a side vent or, less likely, from the main crater.

The telehealth company Hims & Hers put out a Super Bowl ad that skimped on clarifying that its compounded semaglutide medications aren't FDA-approved.

The surface of Earth's inner core appears to be dynamic, changing shape as it rotates, earthquake waves reveal.

Newly discovered Quipu, a superstructure in which galaxies group together in clusters and clusters of clusters, is the largest known structure in the universe in terms of length, scientists claim.

The magma system beneath volcanoes may persist even after recent eruptions, a new study finds.

What was once the floor of an ancient ocean is still shaping the landscape between Arabia and Eurasia.

A section of the upper mantle and crust under the Sierra Nevada mountains is peeling away, in a process that may mimic how the continents were formed.

An uptick in seismic activity on the volcanic island of Santorini has raised concerns about a potential eruption.

The Bulletin of the Atomic Scientists has moved its Doomsday Clock closer to Armageddon than ever before.

How does creeping stress ignite a cataclysmic earthquake? A new study has answers.

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in observations..

Glioblastoma often kills within months. A new targeted radiation therapy may help patients live longer.

A joint Japanese-European mission to Mercury just made its sixth flyby of the planet, revealing stunning close-ups of the permanently shadowed craters at Mercury's north pole.

A detailed look at Yellowstone's magma storage system finds that only one region is likely to host liquid magma in the long term.

A hotspot that now lies in the middle of the Atlantic Ocean was once under the Great Lakes, and may explain why they formed where they did.

Axial, an undersea volcano off the coast of Oregon is probably going to erupt in 2025.

To be considered active, a volcano must have erupted at some point during the Holocene, but dormant and extinct are a little harder to define.

An excavation of three Viking graves in Norway reveals beads, coin jewelry and a stone carved to look like female genitalia.

A new study finds that middle kids and kids from larger families are more agreeable, honest and humble than younger and older kids or kids from smaller families, but the results contradict other research on the topic.

Today, the Denali Fault rips apart some of the North American plate, but it was once a place where tectonic plates came together.

The bowstrings were found with wood-and-reed arrows and were used by the first European farmers.

The James Webb Space Telescope has confirmed 20-year-old Hubble observations that could finally explain how ancient stars can host massive planets.