Gallery: This Guy Went to Earth’s Most Remote Places So You Don't Have To
Klaus Thymann01Thymann001.jpg
A diver just above the sulfur cloud in Cenote Angelita, an underwater cave in Mexico.
Klaus Thymann02Thymann008.jpg
Trees often fall into the cenote during autumn storms; here, tree trunks stick up from the underwater cloud.
Klaus Thymann03Thymann007.jpg
In the cenote, bubbles come up through the cloud from the diver below.
Klaus Thymann04Thymann014.jpg
From about 50 feet below the surface, the submerged island becomes visible, surrounded by green.
Klaus Thymann05Thymann002.jpg
Fox Glacier with tree ferns in the foreground.
Klaus Thymann06Thymann004.jpg
The green and gray line shows where the glacier once extended.
Klaus Thymann07Thymann003.jpg
View from over the nearby Tasman Glacier.
Klaus Thymann08Thymann005.jpg
Details of debris covering the nearby Tasman Glacier.
Klaus Thymann09Thymann012.jpg
Clear view of the Nyiragongo Volcano on a cloudy day.
Klaus Thymann10Thymann010.jpg
At night, the glow is intense, with smoke coming up all sides of the crater.
Klaus Thymann11Thymann009.jpg
Close up of the lava lake at the Nyiragongo Volcano.
Klaus Thymann12Thymann013.jpg
Hard sunlight hitting the crater.
The ‘Exotic Physics’ Behind a Mysterious 1,000-Mile Cloud on Mars
The cloud has baffled astronomers since its discovery in 2018. Now, a new study offers a possible cause for its appearance.
Tereza Ondráčková
Elusive ‘Geoneutrinos’ Are Building a New Map of Earth’s Volatile Interior
A global network of detectors are reporting some of the most substantial measurements yet of neutrinos created deep underground by the radioactive elements that power our planet’s tectonic activity.
James Dinneen
Earth’s Condition Is ‘Serious and Getting Worse’ as Climate Change Intensifies
Seven of 16 planetary vital signs are in their most extreme state ever recorded, and El Niño is here to make matters even worse.
Brian Kahn
Japan Is Attempting an Audacious Mission to Sample a Martian Moon
JAXA is leading an international mission to reach Mars’ Phobos moon and bring soil back to Earth. If successful, it could unlock new clues about the history of the solar system.
Jenna Ahart
NASA Just Made Nearly 1 TB of Artemis II Data Available to the Public
The data drop includes photographs, audio, video, and astronauts’ notes that will be used to study the moon and prepare for future human missions.
Jorge Garay
Humans Watched This Supernova Explode Nearly a Millennium Ago. Now You Can See It in High Definition
The new image isn’t just stunning—it may also provide clues about how this star survived its own explosion.
Jorge Garay
Astronomers Discover a Possible New Dwarf Planet in Our Solar System
Lying beyond Pluto, 2026 ED138 could be as large as 1,500 kilometers in diameter. Astronomers are still working to confirm whether it meets the criteria for a dwarf planet.
Jorge Garay
How to See the Orionid Meteor Shower and Other Upcoming Astronomical Events
Made up of small fragments left behind by Halley’s Comet, these meteors are known for being especially bright and speedy.
Ritsuko Kawai
A New Ice Age Was Beginning. Then Humans Started Burning Fossil Fuels
Ancient plants reveal that the vestiges of the North American ice sheet started expanding a few thousand years ago, but that climate change caused it to reverse course.
Molly Taft
A Decade-Long Experiment Is Unlocking the Mysteries of the Ocean’s ‘Deep Reefs’
Scientists left structures up to 100 meters under the surface. Here’s what they found when they retrieved them 10 years later.
Byrd Pinkerton
NASA’s Oldest Martian Spacecraft Have Been Running for Decades. Here’s How
Two orbiters have long outlasted their expected lifespans and completely reshaped our understanding of the Red Planet, all while operating 140 million miles from Earth.
Meghan Bartels
Astronomers Confirm Discovery of the Youngest Known Exoplanet Ever
Under 1 million years old, “Elias 2-24b” is now the youngest exoplanet ever observed, and it may force researchers to reevaluate theories about how planets are formed.
Teruyuki Hayakawa