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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 91av’s exclusive in-depth articles, interviews and long reads.

Space

Odds of asteroid 2024 YR4 hitting Earth in 2032 have fallen again

Asteroid 2024 YR4 has a small chance of hitting Earth in 2032, but as astronomers make more observations about its trajectory, the odds of a collision are being refined

News
Mandatory Credit: Photo by KATERYNA KLOCHKO/EPA-EFE/Shutterstock (14349659f) Ukrainian servicemen from the 108th Brigade of Territorial Defence prepare to fly a Ukraine-made multi-purpose drone Leleka-100 on a field near a frontline in the direction of Zaporizhzhia, Ukraine, 15 February 2024, amid the Russian invasion. Russian troops entered Ukrainian territory on 24 February 2022, starting a conflict that has provoked destruction and a humanitarian crisis. Ukraine's Territorial Defense Brigade operates drones near Zaporizhzhia frontline - 15 Feb 2024

Technology

How the drone battles of Ukraine are shaping the future of war

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Earth

Earth’s oceans may have been green for billions of years

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Technology

AI-generated optical illusions can sort humans from bots

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Health

CAR T-cells enable record-breaking 18-year nerve cancer remission

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Health

Eight habits that could keep your heart healthy

News

Technology

China launches hunt for ways to protect data from quantum computers

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Humans

Pompeii’s streets show how the city adapted to Roman rule

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Antarctic daily sea ice Jan 1st 2024

Earth

Earth wouldn’t have ice caps without eroding rocks and quiet volcanoes

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Museum of Plant Art
Life

‘Plants are artists’ at new Saatchi exhibition celebrating flora

Flowers have long inspired artists, but could they be artists themselves? A new Saatchi Gallery exhibition explores their beauty, symbolism and creative intelligence.

Video

Humans

Farmers used trash to grow crops in barren sand 1000 years ago

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Life

Surprising fossils suggest early animals survived outside of water

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Comment

Adrian Tchaikovsky talks aliens, entomology and new book ‘Alien Clay’

Video

Space

Meet the man who single-handedly tracks every spaceflight mission ever

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