Today’s astrophoto is brought to you by bloodhound31, it’s a photo of the Triffid Nebula.
Centauri Dreams is reporting on an interesting theory to explain mass extinctions in the past: the Sun’s rise and fall above the galactic plane.
The Space Review has a cool article about the potential for using space guns to access space.
Here’s a cool 6-part series of articles about how to get started in amateur astronomy from Helium. And another 8-part series on how telescopes work.
Pamela Gay is attending the American Association of Physics Teachers, and has this great article about the challenges of both doing and popularizing science.
When astrophysicists observe the cosmos, they see different types of black holes. They range from…
Even though Venus and Earth are so-called sister planets, they're as different as heaven and…
The Gum Nebula is an emission nebula almost 1400 light-years away. It's home to an…
Earth is naked without its protective barrier. The planet's magnetic shield surrounds Earth and shelters…
No human being will ever encounter a black hole. But we can't stop wondering what…
The Sun is increasing its intensity on schedule, continuing its approach to solar maximum. In…