There are about 15,000 satellites orbiting Earth. Most of them, like the International Space Station and the Hubble Telescope ...

A 2022 astronaut photo shows a thick blanket of snow covering Yellowstone Lake, transforming the frozen body of water into a ...

Humankind has the technology to go to space. Space architect Ariel Ekblaw says the bottleneck now is real estate: getting ...

The interstellar comet 3I/ATLAS will make its closest approach to Earth this week on Dec. 19, 2025. Here's the latest news ...

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare ...

The Virtual Telescope Project will host a free livestream starting at 11 p.m. EST on Dec. 18 (0400 GMT on Dec. 19), sharing ...

A new paper calculated a solar storm could bring down the planet’s satellite system in just three days, wreaking havoc on infrastructure.

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet ...

Satellite streaks could spoil about one in three Hubble images, even when the telescope stays above Earth's weather.

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

The Hubble Space Telescope and the Jupiter Icy Moons Explorer have captured fresh images of an interstellar comet as the ...

SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete ...