Earth’s first sponges may have been ghostly, soft-bodied pioneers—ancient animals that evolved long before their skeletons ever appeared in stone.

I/ATLAS fuels a global security row as the CIA issues a 'Glomar' response to records requests. Is the interstellar object a ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

Scientists have identified an unexpected way to study the hidden space weather of distant stars by observing strange, ...

The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

A spacecraft en route to Jupiter has captured unprecedented ultraviolet images of the interstellar comet 3I/ATLAS, providing ...

Abstract: Nature evaluates fitness through dynamic interactions between organisms and their environments, as exemplified by Darwinian evolution. Conversely, physical systems—such as those described by ...

NASA has selected advanced technologies to power a future space telescope designed to image Earth-like planets and search ...

The system is known as J1218/1219+1035, and is located 1.2 billion light-years from us. The three nuclei of the three ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...