A mysterious "kick" in the early universe may have produced more matter than antimatter. And that imbalance may have also led to the creation of dark matter, researchers now say.
This hazy spiral galaxy is one of the largest in the Virgo cluster — a collection of more than 2,000 galaxies.
Pornography was listed as the top source of information about sex for 18- to 24-year-olds, a troubling ranking given that pornography is not meant as sex education.
Though people believe they respect a logical, fact-based opponent, they actually have greater esteem for arguments based on experience.
Archaeologists have located a fort in Alaska where Tlingit people fought a pivotal battle against invading Russian forces.
A giant Mayan mask sculpture has been revealed at an archaeological site in the Mexican state of Yucatán after undergoing restoration work.
Archaeologists uncovered 154 Anglo-Saxon burials at the site in Northamptonshire which also contained a previously unknown settlement.
Conquistadors murdered hundreds of Acolhua people, a sister culture of the Aztecs, after members of a Spanish caravan in Mexico were captured, sacrificed and eaten.
Data from one of Cassini's last flybys of Titan probed the depths of Kraken Mare to better understand the moon's alien chemistry.
A combination of satellite images and deep learning computer algorithms can spot elephants from space as well as the human eye.
There's about a 2.5 per 1 million chance of developing a severe allergic reaction to Moderna's coronavirus vaccine.
Italian divers discovered the corpse of a large finback whale near Naples. Authorities say it could be one of the largest whales ever found in the Mediterranean.