Venus is sinking into the sunset as it catches up with Earth — and a small telescope now reveals something the naked eye never can: another planet going through phases.
Wildfires in the Mediterranean region are becoming drastically more intense. The recent major fires in France, Spain and Greece show that firefighting efforts are reaching their limits.
Star formation in galaxies is closely linked to molecular gas. In the distant past, when galaxy interactions were more common, these encounters compressed molecular gas, causing dense clouds to collapse under their own gravity and form new stars.
An inscription written in the time of Ramesses II may indicate the location of a lost ancient Egyptian city.
Governments across Australia have pledged hundreds of millions of dollars toward women's health services in recent months and years—but having more health services won't help if people don't know they're available or how to access them.
Augmented reality (AR) glasses, lenses thinner than a human hair, and holograms floating above your fingertips may sound like technologies from science fiction. At the heart of these emerging technologies, however, lies a nanoscale optical device known as a "metasurface.