Pockets of ancient air trapped in rock salt for around 815 million years suggest that oxygen was abundant well before the first animals appear in the fossil record.
Researchers hope new approach to interferometry and photonics will replace standard telescopes and long-range cameras where room is scarce.
Reviews & Previews
In Venomous and The Sting of the Wild, researchers delve into the world of venomous creatures and the scientists who study them.
By studying geochemical footprints of rare elements, researchers get a glimpse of the planet’s evolution.
Land bridges may have once allowed dinosaurs and other animals to travel between North America and Europe around 150 million years ago, a researcher proposes.
What is aging? How does it change the brain? How did different life histories evolve? This special report addresses those questions and more.
Yeasts newly discovered in common lichens challenge more than a century of thinking about what defines the lichen symbiosis.
The U.S. tops the list of 19 high-income countries for deaths from motor vehicle crashes.
Electrons usually repel each other, but new research shows pairs of electrons can be attracted due to their repulsion from other electrons.
News in Brief
Kepler space telescope adds another 104 planets to its growing census of worlds in our galaxy.