Researchers built autonomous robots the size of salt grains—with onboard computers, sensors, and motors that think and swim ...

The pocket-sized AI computer, which Guinness World Records says is the smallest, debuted at CES. Soon, you'll be able to buy ...

Scientists at the University of Colorado Boulder may have solved a pressing mystery about the universe's gravitational wave ...

A test model of the Perseverance rover, designed to explore the surface of Mars, sits in a garage at NASA’s Jet Propulsion ...

There are gas giant planets bigger than Jupiter, and extremely hot planets that orbit so close to their stars that a year lasts just a few days. There are ocean worlds, and many moons and bodies that ...

When a huge earthquake struck near Kamchatka, the SWOT satellite captured an unprecedented, high-resolution view of the resulting tsunami as it crossed the Pacific. The data revealed the waves were ...

Humans have a predilection for doomsday predictions. Witness the much-hyped technological terror of the Y2K, or year 2000, bug, which failed to crash critical systems as projected, or the apocalyptic ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

A new composite image reveals the “Champagne Cluster” as two massive galaxy clusters caught in a rare, violent collision.

A bubbly-looking galaxy smashup called the Champagne Cluster offers a rare glimpse into cosmic collisions—and the hidden behavior of dark matter. The Champagne Cluster is a dramatic cosmic system ...

The Champagne Cluster is a rare and beautiful example of two galaxy clusters smashing together. Its festive name comes from ...