Six leading medical organizations filed a lawsuit on Monday against Robert F. Kennedy Jr., the health secretary, and the federal Department of Health and Human Services, charging that recent decisions ...

The search for dark matter requires all the best models, theories, and ideas we can throw at it. A new paper by Julia Monika ...

Researchers have found clouds of cold gas embedded deep within larger, superheated gas clouds—or Fermi bubbles—at the Milky ...

Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back in cosmic ...

The universe will not last forever. In fact, scientists have revealed that its lifespan is almost half over already.

Supernovae like these are very luminous and referred to as "standard candles" in astronomy. As fixed points, they are used to ...

Astronomers have uncovered the most promising evidence yet for the existence of dark stars—giant cosmic objects powered by ...

Only a few dozen of these short-lived binaries exist in the galaxy at a time, making the serendipitous find extremely ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...