Researchers have identified four small exoplanets orbiting closely around Barnard's Star. This illustration shows what a planetary system with one of the rocky worlds might look like. (Image credit: International Gemini Observatory Proctor Pollard) A quartet of Earth-like planets, each…
(Image credit: Getty Images) Jump to: Short list Best overall The best rower on the water Best value for money Best for beginners Best for fun workouts Best suited for small spaces Comparison Our experts Rowing Machine Frequently Asked Questions…
An artist's impression of two neutron stars colliding in a kilonova. (Image courtesy of NASA) ANAHEIM, Calif. — Debris from some of the most powerful explosions in the universe is closer than you might think. In fact, you may have…
The teenager regained consciousness after surgery and was able to communicate exclusively in English, his second language. (Image credit: mediaphotos/Getty Images) Patient: 17-year-old boy from the Netherlands. Symptoms: The boy was admitted to a hospital in the Netherlands for surgery…
A special image, known as a schlieren image, taken during the Boom Supersonic XB-1 test flight on February 10
Giant butterfly owls (Caligo idomeneus) have owl-like eye spots on their wings, which help protect them from predators. (Image credit: Wild Horizons/Universal Images Group via Getty Images) In this excerpt from Carbon: The Book of Life (Viking, 20