This giant metal dome will hide a truly colossal telescope mirror | Space photo of the day for Feb. 16, 2026
Straight to the dome.
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*.
Can a nonprofit help protect Earth from dangerous asteroids? How the B612 Foundation has taken on the challenge
For nearly a quarter-century, the nonprofit B612 Foundation has helped scientists track dangerous asteroids and educated the public about the threats space rocks pose to Earth.