Astronomy
Prehistoric Cave Paintings Show That Ancient People Had Pretty Advanced Knowledge of Astronomy
According to a new study that examined ancient cave paintings and archaeological sites, it appears that prehistoric humans had a…
Now that TESS is Operational, Astronomers Estimate it’ll Find 14,000 Planets. 10 Could Be Earthlike Worlds in a Sunlike Star’s Habitable Zone
How many exoplanets are there? Not that long ago, we didn't know if there were any. Then we detected a…
We May Soon Be Able To See the First, Supergiant Stars in the Universe
We need to talk about the dark ages. No, not those dark ages after the fall of the western Roman Empire.…
Hubble’s First Picture After Returning to Service. The Telescope is Fully Operational Again with Three Working Gyros
The Hubble Space Telescope is a hero in the astronomy world. And when it suffered a malfunctioning gyro on October…
Astronomers Detect Water in the Atmosphere of a Planet 179 Light-Years Away
Gathering detailed information on exoplanets is extremely difficult. The light from their host star overwhelms the light from the exoplanet,…
Messier 71 – the NGC 6838 Globular Cluster
Welcome back to Messier Monday! Today, we continue in our tribute to our dear friend, Tammy Plotner, by looking at…
We Could Build a Powerful Laser and Let Any Civilizations Within 20,000 Light-Years Know We’re Here. Although… Should We?
A powerful laser is just the thing to announce our presence as a technological species in this arm of the…
This Star Killed its Companion and is now Escaping the Milky Way
Our universe is capable of some truly frightening scenarios, and in this case we have an apparent tragedy: two stars,…
Gravitational waves were only recently observed, and now astronomers are already thinking of ways to use them: like accurately measuring the expansion rate of the Universe
Neutron stars scream in waves of spacetime when they die, and astronomers have outlined a plan to use their gravitational …
Gravitational Waves Might be the Key to Finding Dark Matter
Exotic dark matter theories. Gravitational waves. Observatories in space. Giant black holes. Colliding galaxies. Lasers. If you're a fan of…