How astronomers are unveiling the ‘skeleton’ of the universe

Faint structures play a crucial role in cosmic development, and scientists are only just beginning to grasp their full extent and role in shaping the universe.

Trump’s Greenland grab is part of a new space race – and the stakes are getting higher

As global tensions rise, the island has become a geopolitical pressure gauge, revealing how the old international legal order is beginning to fray.

A stellar treat for Valentine’s Day: Heart-shaped outburst stuns astronomers

Astronomers have spotted a heart in the cosmos — not Cupid’s doing, but a dying star shedding its layers — just in time for Valentine’s Day.

‘The beacons were lit!’ Scientists name merging supermassive black holes after ‘Lord of the Rings’ locations

Scientists have named two systems of colliding supermassive black holes after Lord of the Rings locations, Gondor and Rohan.

A mystery object is dimming a distant star. Could it be a massive exoplanet, or a ‘failed star’?

A mysterious object has caused a long-lasting and extreme dimming of a distant star, but is this object a ‘failed star’ brown dwarf, or an exceptionally massive super-Jupiter exoplanet?

If the Winter Olympics went interplanetary, where else could you ski in the solar system?

We take a look at the best (and worst) places to ski in the solar system, logistics aside.

Scientists have found a weird ‘inside out’ planetary system. Here’s what it looks like

Astronomers have discovered a planetary system that appears to flip one of astronomy’s most reliable rules on its head.

Astronomers witness vanishing star collapse into a black hole in Andromeda galaxy

Astronomers tracked a star in Andromeda as it dimmed and vanished without the usual fiery explosion, offering rare clues to how black holes form.

Could the Milky Way galaxy’s supermassive black hole actually be a clump of dark matter?

New research suggests that the heart of the Milky Way may be dominated by a dense clump of dark matter rather than the supermassive black hole Sagittarius A*.