Headlines

The edge of the Milky Way's star-forming disk revealed

How far the Milky Way's disk extends has long been difficult to define—it doesn't end sharply, but fades away gradually at its outer edges. Now, for the first time, an international team of astronomers has identified the edge of the Milky Way's star-forming disk by studying the

NASA rolls out Artemis III moon rocket core stage

Following the recent successful test flight of NASA's Artemis II mission around the moon, NASA rolled out the core stage, or the largest section, of the agency's SLS (Space Launch System) rocket that will launch the crewed Artemis III mission in 2027. The stage departed from

CHIME tracks a hyperactive repeating fast radio burst source

Using the Canadian Hydrogen Intensity Mapping Experiment (CHIME), an international team of astronomers has performed radio observations of FRB 20220912A—a highly active source of repeating fast radio bursts. Results of the monitoring campaign, published April 10 on the preprint

Sex bias against women skews government violence statistics

The extent of violence in England and Wales, especially against women, is obscured by official government statistics, a new study reveals. Researchers from Royal Holloway, University of London, and Lancaster University, have found that government statistics on violent crime

These tiny dinosaur fossils fooled scientists for 20 years

Tiny dinosaur fossils that puzzled scientists for over 20 years have finally revealed their true identity. Rather than belonging to a miniature species, they are actually baby ankylosaurs—some less than a year old, including a possible hatchling. By studying bone growth