5 June 2024
A film made of lithium niobate and gratings of silicon dioxide converts infrared light into visible light better than the other leading compound, potentially allowing nighttime vision
15 May 2024
Artificial compound eyes made without the need for expensive and precise lenses could provide cheap visual sensors for robots and driverless cars
7 May 2024
An analysis of thousands of exchanges between sperm whales suggests they combine short click patterns into longer sequences that could convey a wide range of meanings
26 March 2024
A unique site in Brazil features rock carvings closely associated with dinosaur tracks, suggesting prehistoric people saw the footprints as meaningful
20 March 2024
A recent paper packed with delightful acronyms digs into where people report having seen UFOs, but finds no evidence of alien visitors, says Annalee Newitz
20 March 2024
Researchers claim to have combined the benefits of rolling robots with those of flying drones by creating a device that rotates along the ground but hops over obstacles
15 February 2024
US officials have warned of a new international security threat – a mysterious Russian space weapon that may possess nuclear capabilities. Here’s what you need to know
2 February 2024
A nationwide electronic warfare system called Pokrova can disrupt satellite navigation – Ukraine may already be using it to prevent strikes by Russian drones and missiles, but doing so will also affect satnavs in the country
30 January 2024
After nearly three years of exploring Mars, NASA’s Ingenuity helicopter has taken its final flight – but its astounding performance is a good sign for future drones on other worlds
29 January 2024
Drone footage filmed off the coast of California shows a 1.5-metre-long, entirely white great white shark pup, probably just hours old – something that has never been seen before
