Lampreys belong to an ancient group of fish called Agnatha that evolved 450 million years ago, predating both dinosaurs and trees.
The sun's outer atmosphere was captured at previously impossible extreme ultraviolet wavelengths thanks to a last-minute engineering hack.
A landslide in northern Spain has helped unearth two Iron Age gold necklaces that were likely buried in a hoard about 2,500 years ago.
The discovery of seemingly home-grown carbon dioxide suggests Europa's ice-covered ocean could be habitable.
Archaeologists in Kazakhstan have discovered a hexagonal pyramid that served as a burial site in the Bronze Age.
A team of astronomers has used a tricky technique to study an ancient galaxy previously lost in the glare of a blazing quasar.
Analysis of the microscopic structure of an ancient shard of Roman glass has revealed how photonic crystals form, and might enable them to be grown.
Pharmacogenomic, or PGx, tests predict how your genes might affect your response to medications. But they have their limitations.
Astronomers have spotted a gigantic void they believe to be a baryon acoustic oscillation — a relic from when the universe was a fiery plasma soup.
A new study has found that the famous Australian lungfish Methuselah, who first arrived in the U.S. in 1938, could be up to 101 years old.
Scientists say a synthetic compound derived from Brazilian wandering spider venom could treat people with erectile dysfunction for whom drugs like Viagra don't work.
El Niño is a climate cycle in which waters off the tropical eastern Pacific are warmer than usual, which in turn affects global weather patterns.
A bright, yellowish spot in the morning sky is actually Mercury making a rare daytime appearance. Here's how to see it at its highest and brightest this week.
Researchers have found a new virus, identified as a bacteriophage, at a depth of 29,199 feet (8,900 meters).
A rocket carrying a Space Force surveillance satellite may have created a hole in the ionosphere as it shot into space. The launch was carried out with just 27 hours' notice, which is a new record.
Archaeologists discovered the palace-like building ahead of railway construction in Mexico's Yucatán Peninsula.