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?
Losing the Night Sky
Does an increase in satellites mean we soon won't be able to see the stars?
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.
Valentina Tereshkova and the American Imagination
Remembering the Russian cosmonaut Valentina Tereshkova, the first woman in space, and how she challenged American stereotypes.