Photos

Three sky arches over snowy Alps

Why are there three arches across the sky instead of two?

Wetter weather triggers earliest bluebells blossom in d...

Rain, mild temperatures and spring sunshine produce a plethora of early blooms a...

Comet R3 PanSTARRS over a Himalayan valley

The best way to see comet R3 PanSTARRS’s long tail is with a camera.

M82: Starburst galaxy with a superwind

Messier 82 is a starburst galaxy with a superwind. In fact, through supernova ex...

South celestial tree

If you live in the northern hemisphere, you may have learned how to locate the N...

NGC 602 and Beyond

The clouds may look like an oyster, and the stars like pearls, but look beyond.

Mass drowning of chicks puts emperor penguins at risk o...

Record low levels of Antarctic sea ice are having grim consequences for penguins...

Lava bursts forth as Hawaii’s Kilauea volcano erupts

Hawaii Volcanoes national park closed due to eruption of one of world’s most act...

The Moon is more colourful than you think. Here’s why

Artemis II crew spot green and brown patches ‘kind of like a piece of pie’

Hickson 44 in Leo

Scanning the skies for galaxies, Canadian astronomer Paul Hickson and colleagues...

Hyakutake: stars through a comet's tail

Comets are cosmic icebergs. They follow very elongated orbits which carry them f...

Galaxies in the River: NGC 1300 and NGC 1297

Spiral NGC 1300 and elliptical NGC 1297 are galaxies that lie on the banks of th...

Cygnus and the solitary tree

A lone tree stands in a quiet meadow in Guadalajara, Spain, silhouetted against ...

NGC 1566: The Spanish Dancer Galaxy

If not perfect, then this spiral galaxy is at least one of the most photogenic.

The Fibonacci sequence in nature

The Fibonacci sequence can be observed in nature, alongside the Golden Ratio. It...