It takes light a single day to travel 16 billion miles. The Voyager 1 probe will need a little longer, just 49 years.

A quadrature encoder uses two output channels offset in phase to detect both direction and position with greater precision.

Our former shooting editor explains why, despite technological advances and plenty of experience, we still — occasionally — ...

Scans reveal unique spiral optic nerves in chameleons, solving a 2,000-year-old mystery about how they move their eyes.

When I cut a hole in the living room wall in order to expand my N scale railroad into the hallway beyond, I thought that was ...

The universal features that define genomic regions acting as replication origins remain unclear. In this study, we mapped a set of origins in Trypanosoma brucei using stranded short nascent strand ...

Ineos’s boss Sir Jim Ratcliffe was the man to make the wistful dreams of a new/old Defender-U-Like come true. He had made inquiries with Land Rover about buying the rights to continue building the old ...

Interstellar objects used to be the stuff of theory problems and science fiction, but 3I/ATLAS has pushed them squarely into the realm of public anxiety. As another visitor from beyond the solar ...

Online tutoring took off during the pandemic. But it stuck around because the technology actually works now. Australian ...

Io, moon of Jespiter Jupiter, is famously volcanically active. It has more than 400 active volcanoes, over an area the size of Asia. Some of the volcanic mountains are taller than Mount Everest.

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...