Astronomy
The Decadal Survey is out! What new Missions and Telescopes are in the Works?
It’s that time again. Once every ten years, the American astronomy community joins forces through the auspices of the National…
It’s Time to Stop Doing Anti-Satellite Tests
Earlier this month, the Russian military conducted an anti-satellite (ASAT) missile test, launching a PL19 Nudol interceptor missile at a…
Stars Getting Kicked out of the Milky Way can Help us map its Dark Matter Halo
Hypervelocity stars may allow us to map dark matter as they leave the Milky Way.
Astronomers Find a Planet That Orbits its Star in Just 16 HOURS!
Mercury is the speed champion in our Solar System. It orbits the Sun every 88 days, and its average speed…
A Space Telescope With one job: Find Habitable Planets at Alpha Centauri
Breakthrough Initiatives just announced a collaborative effort to launch a space telescope that will search for habitable planets around Alpha…
Comet A1 Leonard Brightens in December
Now is the time to start tracking Comet C/2021 A1 Leonard, as it starts its dawn dive sunward.
Here are Hubble’s 2021 Photos of the Outer Solar System
If we had to rely solely on spacecraft to learn about the outer planets, we wouldn't be making great progress.…
If Alien Probes are Already in the Solar System, Maybe we Could Detect Them Calling Home
According to a new study, alien probes may permeate the galaxy, and could be detected in the Solar System when…
We’re Constantly Battling Invasive Species Here on Earth. What Does That Teach us About Infecting Other Worlds With Earth Life?
When Neil Armstrong, Buzz Aldrin, and Michael Collins returned from the Moon in the summer of 1969, they spent three…
Eggshell Planets Have a Thin Brittle Crust and No Mountains or Tectonics
Planets without plate tectonics are unlikely to be habitable. But currently, we've never seen the surface of an exoplanet to…