Looking back toward cosmic dawn − astronomers confirm the faintest galaxy ever seen

A phenomenon called gravitational lensing can help astronomers observe faint, hard-to-see galaxies. NASA/STScI Guido Roberts-Borsani, University of California, Los Angeles The universe we live in is a transparent one, where light from stars and galaxies shines bright against a clear, dark backdrop. But this wasn’t always the case – in its early years, the universe […]

The Second-Most Lethal Virus on the Planet [Science Video]

Few of the monsters that evolution created have been so successful at hurting us as the variola virus, responsible for smallpox. The carnage it caused was so terrible and merciless that it compelled humankind, for the first time, to act truly globally. It was one of the greatest wins of our species over the ancient […]


Before developing the atomic bomb, J. Robert Oppenheimer’s early work revolutionized the field of quantum chemistry – and his theory is still used today

J. Robert Oppenheimer is responsible for a fundamental idea in the field of quantum chemistry. AP Photo/John Rooney Aaron W. Harrison, Austin College The release of the film “Oppenheimer,” in July 2023, has renewed interest in the enigmatic scientist J. Robert Oppenheimer’s life. While Oppenheimer will always be recognized as the father of the atomic […]

Science vs. Pseudoscience: 3 Ways to Spot Bad Science

Pseudoscience is composed of a set of theories, methods, and assumptions that may resemble scientific practices but lack genuine scientific validity. In the some of the worst cases, proponents of pseudoscience intentionally exploit this resemblance to deceive and take advantage of people. However, even when well-meaning, pseudoscience can prevent individuals from getting the help they […]

Are we alone in the universe? 4 essential reads on potential contact with aliens

UFOs usually have non-extraterrestrial origins, but many have urged the government to be more transparent about UFO data. Westend61/Westend61 via Getty Images Mary Magnuson, The Conversation The House subcommittee on National Security, the Border, and Foreign Affairs met in July 2023 to discuss affairs so foreign that they may not even be of this world. […]

How swarming animals can help humans and AI make better decisions

Starling murmurations form as daylight fades over their roosting sites. Shutterstock / Albert Beukhof Samuel Johnson, University of Oxford The word swarm often carries negative connotations – think biblical plagues of locusts or high streets full of last-minute shoppers during the Christmas rush. However, swarming is essential for the survival of many animal collectives. And […]

Cats first finagled their way into human hearts and homes thousands of years ago – here’s how

Who run the world? Cats! Grace Cary/Moment via Getty Images Jonathan Losos, Arts & Sciences at Washington University in St. Louis A few years ago, I had the opportunity to go on safari in southern Africa. One of the greatest thrills was going out at night looking for predators on the prowl: lions, leopards, hyenas. […]

Social media can in fact be made better: Research shows it is possible to reward users for sharing accurate information instead of misinformation

We feel rewarded by reactions to information we share, and that can lead to good and bad habits. Linka A Odom/DigitalVision via Getty Images Ian Anderson, USC Dornsife College of Letters, Arts and Sciences; Gizem Ceylan, Yale University, and Wendy Wood, USC Dornsife College of Letters, Arts and Sciences Is social media designed to reward […]

Measuring helium in distant galaxies may give physicists insight into why the universe exists

New measurements from Japan’s Subaru telescope have helped researchers study the matter-antimatter asymmetry problem. Javier Zayas Photography/Moment via Getty Anne-Katherine Burns, University of California, Irvine When theoretical physicists like myself say that we’re studying why the universe exists, we sound like philosophers. But new data collected by researchers using Japan’s Subaru telescope has revealed insights […]