The anniversary of the total solar eclipse that proved Einstein was right
The Pentagon has a secret UFO program, and its former head has some stories to share
Could an asteroid reach Earth this September?
This odd galaxy is getting closer to the Milky Way all the time
Jupiter’s moon could contain table salt, just like what’s in your kitchen
We’ve Sent Some Pretty Weird Stuff To Space Over The Years
Earth is mounting defenses against killer space rocks
Life on Saturn’s moon? NASA announces new mission to search for it
Okay, is Pluto a planet or not?
Is the universe based on bubbles? Learn about quantum foam
Hubble in trouble: New data widens rift between astronomers and cosmologists
The Apollo missions fundamentally changed our perceptions of the moon
Developing theories about fast radio bursts