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Upgrade your eyewear with these top-rated sunglasses that offer comfort, protection, and style for seniors.

Men stand in front of turning vanes inside the Altitude Wind Tunnel (AWT) at the National Advisory Committee for Aeronautics Aircraft Engine Research

We're coming for you, near-Earth objects.

Faint signatures detected by the Canada France Hawaii Telescope have revealed 128 new moons around Saturn, making it the indisputable frontrunner for having the most moons in our solar system.

On a recent flyby, the Juno spacecraft spotted intense volcanic activity on Io, one of Jupiter's moons. It was more extreme than any volcanism ever seen on Io. The post Juno spots most extreme volcanic activity on Io to date first appeared on EarthSky.

Black holes don't have many identifying features. They come in one color (black) and one shape (spherical). The main difference between black holes is mass: some weigh about as much as a star like our Sun, while others weigh around a million times more. Stellar-mass black holes can be found anywhere...

The Martian new year arrives with the Red Planet's vernal equinox. Explaining why requires a deep dive into celestial mechanics and Earth's calendrical history

October's full moon, also called the hunter's moon, marks the third of four consecutive supermoons of 2024.

Moon lovers have a reason to celebrate this week.

These scientists may be lesser known than Einstein and Newton, but they made giant contributions to science, including astronomy, physics, chemistry and medicine.

The molecular gas ejected by a dying star within the Southern Ring Nebula will one day be recycled into a new generation of stars and planets.

The discovery of vast subsurface seas on Saturn's tiny moon Mimas has redefined our view of what an ocean world can be. We may now know how this buried ocean...

The James Webb Space Telescope recently discovered dozens of inexplicable 'rogue' planets floating through space in pairs. Now, a new study may explain the mystery behind these rare "JuMBOs".

When the total solar eclipse travels across North America on April 8, the skies will darken. Here's what to look for during totality.

The duration of totality for the 2024 eclipse won't be the longest possible. But it will still last several glorious minutes.

The European Space Agency's plan to build a cargo vessel that can convert to a crew ship is one giant step in its ambitions to compete with rival lunar exploration programmes

The International Space Station—larger than a football field and weighing almost 450 tons—must eventually fall to Earth. It's a delicate, dangerous process

How recently have we understood the Universe?. While humanity has been skywatching since ancient times, much of our cosmic understanding has come about only recently. Very recently..

Earth, the awe-inspiring third rock from the sun, with its soaring mountains and deep valleys, has intrigued us since time immemorial. One of the most celebrated apexes of our globe, Mount Everest, has especially fascinated us not merely for its impressive height but also for the popular belief...

There's fast—and then there's one-tenth-the-speed-of-light fast.