What is Low Earth Orbit?
Low Earth Orbit (LEO) is a popular place. It is where the majority of space missions are sent, where all…
Could Garnet Planets be Habitable?
A study presented at the 229th Meeting of the AAS examines how the composition of stars can produce very different…
NASA Orders Additional Astronaut Taxi Flights from Boeing and SpaceX to the ISS
In a significant step towards restoring America’s indigenous human spaceflight capability and fostering the new era of commercial space fight,…
Chandra Spots Two Cosmic Heavy-Hitters at Once
At the 229th Meeting of the AAS, an international of researchers shared images of two of the most powerful forces…
Carnival of Space #490
It's that time again! This week’s Carnival of Space is hosted by Pamela Hoffman at the Everyday Spacer blog. Click…
NASA Announces Missions to Explore Early Solar System
NASA has announced the two missions that will make up Discovery 13 and 14, both of which are robotic missions…
Source of Mysterious ‘Fast’ Radio Signals Pinpointed, But What Is It?
For about 10 years, radio astronomers have been detecting mysterious milliseconds-long blasts of radio waves, called “fast radio bursts” (FRB).…
What is the Closest Galaxy to the Milky Way?
Located just 25,000 light years from our Solar System is the Canis Major Dwarf Galaxy, the closest galaxy to the…
What is an Ice Age?
Planet Earth has gone through several "ice ages", where dropping temperatures has led to the expansion of ice sheets and…
Astronomy Cast Ep. 434: Am I On An Alien World?
Once again, science fiction television and movies has let you down. They try to recreate what it might be like…