Is Earth's inner core solid or liquid? While the inner core is extremely hot, experts have known that it is solid for many years.

Learn how your personality predicts your enjoyment of exercise, signaling which workouts you’ll stick with and which you’ll abandon.

Learn about the theory suggesting that the Earth sits inside of a void, which may explain why the universe appears to expand at an accelerating rate.

Learn more about squirting cucumbers (Ecballium elaterium) and how their seeds explode out of them, which could lead to medical advancements.

Learn more about the connection between melting glaciers and volcanic eruptions, a volatile relationship that has existed since the last Ice Age.

What is the Tully monster? Learn more about the near-nameless fossil, and why experts still can't agree on its classification.

Learn about the ability of some fig trees to store atmospheric carbon dioxide and turn it into stone, a process that could push back against climate change.

Learn why the upcoming July 2025 full moon is called the Buck Moon and why it's different from every other full moon.

Learn about new research that uses 3D X-ray technology to reveal the hidden secrets in Scotty, the famous Tyrannosaurus rex.

Discover how ancient humans scaled up their food production to survive in harsh environments.

Learn how dairy cows are responding to increasingly warmer temperatures and what farmers can do to help protect them.

Learn more about the rock library that holds ancient rocks and clues from the Transantarctic Mountains.

Discover more about the shark that inspired Jaws.

Learn more about some of the microbes found in Yellowstone National Park hot springs and how they may hold the secrets to how life evolved on Earth.

Learn more about the new hydrothermal feature that appeared last summer in Yellowstone National Park, and how, even though it went dormant over the winter, it could appear again this summer.

Remains of this key transitional species date to a mysterious "black hole" in the fossil record.

Learn more about the microbes that take in PFAS, the harmful, long-lasting chemicals that can hang out in the human body for years at a time.

Learn how a new study uses 3D printing to better understand some of insect evolution’s greatest illusions.

Learn about the 430,000-year-old stone tools and techniques that allowed ancient humans to butcher elephant meat for a hefty meal.

Discover how the brain "eats" itself during a marathon, and how the recovery process opens doors to possible MS treatments.

Learn more about the tardigrades aboard the Beresheet spacecraft that crashed on the moon in 2019, and how they could have survived this long.

Learn more about FGF21, a hormone that improves the metabolism and extends the lifespan of adult mice.

Learn about new observations that reveal an exoplanet is destroying itself by cuddling up to its host star, in an astronomical first.

Discover more about Indonesia's volcanic alert system and the systems used around the world to help keep people as safe as possible.