Science

Why does the Sun occasionally flash green as it eclipses the horizon?

7 minutes

Here’s to blue foods

With care for the social and ecological consequences, foods from the ocean should provide sustainable protein to billions

Madhura Rao

Tomorrow’s corals

A warming planet and acid oceans will radically transform marine ecosystems. How will our beloved reefs survive?

Klaus M Stiefel & James D Reimer

Like pop music, humpback whale songs spread, mutate, and fall out of fashion

9 minutes

Defend the deep

Instead of letting waves of exploitation sweep through the deep ocean, we could choose to protect this vast living realm

Helen Scales

Blend up a hydra, and its cells will coalesce back into a full creature. How?

5 minutes

They are prisoners

Captive orcas are tormented by boredom and family separation, but they cannot be simply released. What’s the solution?

Lori Marino

‘Natural souvenirs’ and ocean sounds form a sea-salty celebration of the shore

3 minutes

Here be black holes

Like sea monsters on premodern maps, deep-space images are science’s fanciful means to chart the edges of the known world

Surekha Davies

See what no human eyes have seen before, deep in the sea off Western Australia

5 minutes

Who was Jack Tar?

He was a patriot and a prisoner, a delegate and a drunk; circling the globe when few Englishmen ever left their home counties

Stephen Taylor

When life is but a stream, insects need something extra-sticky to survive

4 minutes

Not quite ashore – the in-between world of a cargo-ship rest stop

8 minutes

Far from sluggish: the remarkable sea creature that weaponises its dinner

4 minutes

Our aquatic universe

We know that the Universe is awash with watery moons and planets. How can we pinpoint which of them could support life?

Tim Folger

Stop boycotting SeaWorld if you care about marine conservation

Samantha Muka