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Flying electric taxis look set to finally take off in 2025

23 December 2024

Electric vertical take-off and landing (eVTOL) aircraft are on track to start commercial passenger carrying services in 2025, but can they stand out from conventional helicopters?

Our writers pick the 26 best science fiction short stories of all time

20 December 2024

We asked 91av writers to pick their favourite sci-fi short story. From H.G. Wells’s The Time Machine to Octavia E. Butler’s Bloodchild, via stories from George R. R. Martin and Ursula K. Le Guin, here are the results

What are the mystery drones flying over the US?

12 December 2024

Large drones have been spotted flying over the US for weeks, and state and federal officials say they still have no idea who is behind the flights

The RAVEN robot, which can jump up and take flight like a bird

Flying robot leaps upwards and then takes to the air like a bird

4 December 2024

A bird-inspired robot called RAVEN can walk, hop and jump into flight, an ability that could help people develop fixed-wing drones that can take off and land anywhere

How could Ukraine stop Russia’s new Oreshnik missile?

27 November 2024

Russia’s new ballistic missile flies on a high arc out of Earth’s atmosphere and releases multiple high-speed projectiles, making it challenging but not impossible to intercept

Orcas have begun wearing salmon hats again – and we may soon know why

26 November 2024

About 40 years ago, researchers noticed a population of orcas had begun swimming around with dead fish on their heads, and now the craze is back

Hunter-gatherers built a massive fish trap in Belize 4000 years ago

22 November 2024

Earthen channels that span more than 640 kilometres show that pre-Mayan Mesoamericans built large-scale fish-trapping facilities earlier than previously thought

2C6F140 Atoms and their electron clouds , Quantum mechanics and atomic structure

You can't put a price on the sense of awe particle physics inspires

13 November 2024

Astronomy and particle physics are no longer seen as vital by the US establishment, so funding has fallen. But our work creates a sense of wonder, and wonder matters, says Chanda Prescod-Weinstein

Weekly: Hope for the world’s coral; the first drone vs drone war

4 October 2024

Episode 270There may be hope for the survival of coral reefs, a vital part of the global underwater ecosystem that is under massive threat from climate change. At 1.5 C degrees of warming we’re at risk of losing 70-90 per cent of coral - and more than...

Weekly: Hope for the world’s coral; the first drone vs drone war

4 October 2024

Episode 270There may be hope for the survival of coral reefs, a vital part of the global underwater ecosystem that is under massive threat from climate change. At 1.5 C degrees of warming we’re at risk of losing 70-90 per cent of coral - and more than...