
Earth’s molten outer core is behaving in chaotic, unexpected ways
Scientists are working to solve a mystery of Earth’s molten outer core, which lies more than 2,000 kilometers beneath our feet

Earth’s molten outer core is behaving in chaotic, unexpected ways
Scientists are working to solve a mystery of Earth’s molten outer core, which lies more than 2,000 kilometers beneath our feet

What happens when galaxies collide?
Our galaxy and its nearest large companion, Andromeda, may be headed for a collision on a cosmic scale. What happens then?


SpaceX scrubs launch of Starship V3—the tallest and most powerful rocket ever built
This launch, when it comes, will mark the 12th flight test of Starship and the first demonstration of its V3 design. A new attempt could come as soon as Friday

JWST forecasts partly cloudy skies on a distant exoplanet
An out-of-this-world weather report from NASA’s James Webb Space Telescope reveals how clouds move across a giant planet hundreds of light-years from Earth

Watch SpaceX launch Starship V3—the tallest and most powerful rocket yet
Friday’s flight could be the most pivotal test of the Starship megarocket

NASA’s Psyche captures gorgeous Mars crescent photo on way to asteroid
NASA’s Psyche snapped images as it flew by Mars last week. The spacecraft used the planet’s gravity to give itself a boost on its journey toward its target asteroid

Putting a nuclear reactor on the moon: big promise, bigger challenges
Nuclear power could enable long-term lunar missions, but NASA’s timeline may be too ambitious

SpaceX punts Starship launch as investigation opens into Starbase worker’s death
SpaceX is now targeting the evening of May 21 to launch the latest and largest version of its Starship megarocket for the first time

New NASA Hubble image captures a rare, turbulent galaxy
The new image shows the galaxy NGC 1266, a transitional object with a clutch of young stars that likely collided with a smaller galaxy 500 million years ago

An illustrated field guide to qubits
Here are six ways to build a quantum computer

Why NASA wants to build a nuclear reactor on the moon
To build its moon base, NASA needs a lot of power

Helion Energy wants to build fusion power on a start-up timeline
This company says its pulsed plasma machine will deliver electricity to the grid by 2029. Some physicists warn that its promises are outrunning what the technology has proved