Category: Space

For the past two years, the OSIRIS-REx spacecraft has sailed across the solar system by the light of the stars. Like ancient mariners and the Apollo astronauts, it needed the…

The Intentional Space Station can be a fabulous place of learning and wonder. But to get to that wonder, there’s always some troubleshooting to be done – and that work…

A former NASA astronaut says the agency he used to work for has a duty to protect civilians from killer asteroids, but that it isn’t meeting that obligation. The threat…

Astronomers have been able to get their closest, most detailed look yet at the first stages of a dying star – a supernova known as SN 2018oh – using a…

We need to talk about the dark ages. No, not those dark ages after the fall of the western Roman Empire. The cosmological dark ages. The time in our Universe,…

NASA’s next lunar science experiments will arrive at the Moon via a spacecraft built by one of nine private companies – a first for one of the agency’s science missions.…

Have you ever stopped to wonder exactly how much light has been produced by all the stars in the Universe, over all the time that has passed? Well, now you…

Just as moons orbit planets, planets orbit stars, and stars orbit galactic cores, galaxies can be orbited by other, much smaller galaxies. The Milky Way has several of these hangers-on,…

At the heart of our galaxy, the core around which everything in the Milky Way orbits, lies the supermassive black hole Sagittarius A*. Without the gravitationally binding force of Sgr…