Astronomers find interstellar comet 3I/ATLAS hiding in images taken before its official discovery

Interstellar comet 3I/ATLAS was almost called 3I/Rubin, after researchers found that the giant survey telescope coincidentally spotted this visitor from the stars over a week before it was officially discovered.

Mars orbiter captures striking images of ‘chaos and craters’ carved by ancient floods

ESA’s Mars Express orbiter captured dramatic new views of a rugged Martian landscape shaped by catastrophic floods billions of years ago.

Auroras over Australia look like sci-fi from space | Space photo of the day for May 15, 2026

An astronaut aboard the ISS captured the brilliant green and pink glow.

James Webb Space Telescope maps our universe’s largest structure in unprecedented detail

Using the James Webb Space Telescope, astronomers have mapped the “cosmic web” of galaxies, the largest structure in the universe, with unprecedented detail.

We still can’t see dark matter. But what if we can hear it?

Black holes smashing together may churn dark matter “butter,” scientists say.

No, this isn’t a solar eclipse. It’s an image of Mars, captured by NASA’s asteroid-bound Psyche probe

NASA spacecraft Psyche has captured a stunning image of Mars ahead of a flyby on Friday (May 15).

30-mile-high clouds of acid on Venus are made by the largest ‘hydraulic jump’ in the solar system

A 3,700-mile-long cloud bank on Venus forms through the same phenomenon that describes how water spreads out in your kitchen sink, scientists say.

‘Cannibal stars,’ AI and the Rubin Observatory could shed light on the mystery of dark energy. Here’s how

Using AI and Rubin Observatory data, scientists are rethinking Type 1a supernova “standard candles,” hunting for “unknown unknowns” that could lead us to missing ingredients in our recipe of the cosmos and solve the puzzle…

Satellite spies one of Russia’s most active volcanoes melting snow from the inside out

Fresh satellite images reveal volcanic heat melting snow around Russia’s relentless Shiveluch volcano on the Kamchatka Peninsula.