As astronauts prepare for south-polar landings, a new look at the Moon’s biggest crater points to a pivotal moment in lunar ...

A single lightning "megaflash" traveled more than 515 miles across the United States, the longest ever measured, according to ...

Moroccan rocks reveal that Earth’s magnetic field once changed fast but followed a hidden order, helping scientists map ...

It shouldn’t be. Comet tails, propelled by the solar wind and radiation pressure from the Sun, nearly always travel away from the Sun. But interstellar object 3I/ATLAS, hurtling through the Solar ...

Physicists at the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) in Hamburg have discovered a striking ...

The pH, or the acidity or alkalinity of an environment, has long been known to affect how efficiently catalysts drive key ...

Scientists from NASA and Chalmers University have discovered that incompatible substances can mix on Titan’s icy surface, ...

Scientists have found that on Titan, substances that should remain separate can actually combine under freezing conditions. NASA and Chalmers University researchers discovered that hydrogen cyanide ...

The capture, storage and conversion of gases such as hydrogen, methane and carbon dioxide may play a key role in the provision of carbon-neutral energy. This Review explores the role of metal–organic ...

Three scientists won the Nobel Prize in Chemistry for creating a new type of molecular structure that has been used to extract carbon dioxide from the air and separate pollutants from water. The ...