Understanding Planet-Wide Danger
The way Americans metabolized the global threat of nuclear war has had lasting effects on how we think about our newest global threat: climate change.
Should the Moon Landing Site Be a National Historic Landmark?
Some archaeologists argue it’s essential to preserve the history of lunar exploration. But would it represent a claim of U.S. sovereignty over the moon?
Dreaming of Spaceflight in 1920s Russia
Early in the 20th century, Cosmism was all the rage in Russia, inspiring a utopian and mystical view of interstellar travel.
Kuiper Belt Objects Are as Mysterious as They Are Distant
Recently the New Horizons spacecraft made the first flyby of a Kuiper Belt Object (KBO) in the extreme outer solar system. What do we know about KBOs?
How to Avoid a Meteor
It isn’t likely that Earth will be hit by a large meteor, but if it were, the results would be catastrophic.
The “Real” Warp Drive
Sure, it sounds like science fiction. But some researchers suggest that warp drives might actually be a possibility.
Can a Supernova Cause Mass Extinction?
Since the 1950s, scientists have been proposing supernovae as catalysts for mass extinctions. But can it be proven?
Voyager 2 Heads into the Unknown
Forty-one years after its launch, Voyager 2 has officially crossed out of the solar system and into interstellar space. What has it discovered along the way?
An Ancient Egyptian Funerary Vessel Heads to Outer Space
Tavares Strachan's “Enoch” was launched into space on December 3rd, 2018. It's the latest in a long line of artworks inspired by Egyptian canopic jars.