The Global Price of Invasive Species
The U.S. and China pose the greatest threat as exporters of invasive species, but other countries have more to lose
How Would You React If We Discovered Alien Life?
Experts weigh in on what the detection of other life forms might mean to the human race
The Future Is Here Festival Considers Extraterrestrial Life and the Essence of Humanity
In the festival’s final day, speakers turn to the cosmos and our place within it
Journey to the Center of Earth
Inner Earth Is Teeming With Exotic Forms of Life
More than a mile below the surface, our planet supports diverse creatures that could give us clues about life across the solar system
Mysterious Martian ‘Cauliflower’ May Be the Latest Hint of Alien Life
Unusual silica formations spotted by a NASA rover look a lot like structures formed by microbes around geysers on Earth
Where Are All the Aliens? Taking Shelter From the Universe’s Radiation
Earlier life-forms across the cosmos may have faced thousands to millions of times the cosmic ray dose that we do today
Was the “Wow!” Signal From Aliens or a Comet Flyby?
The 1977 blast from space is often cited as our best evidence of alien contact, but a news study suggests it may have just been comets
These UFO-Like Buildings Are a Space-Age Tourist’s Dream
The future is now—follow this tour of UFO architecture found all around the world
Old, Dense Star Clusters Might Be the Place to Look for Complex Alien Life
The age and density of globular star clusters could give alien life both the time and resources necessary to brew complex society
Reagan and Gorbachev Agreed to Pause the Cold War in Case of an Alien Invasion
The 40th President of the United States was a big science-fiction fan
Edward Snowden Thinks Alien Transmissions Might Be Hidden by Encryption
To chat with aliens, scientists might have to crack codes
Life May Have Spread Through the Galaxy Like a Plague
If alien life is distributed in a pattern that mirrors epidemics, it could be strong support for the theory of panspermia
An Internet Billionaire Just Pledged $100 Million to Search for Extraterrestrial Life
More telescope time, better equipment could help scientists figure out what’s out there
This Alien Color Catalog May Help Us Spot Life on Other Planets
A digital library of reflectance spectra from microbes could be a powerful tool for spotting signs of extraterrestrials
A Hint That a Saturnian Moon Could Have Hydrothermal Vents—And Support Life
Grains of silica from Saturn’s magnetosphere likely came from Enceladus and may mean the moon has hydrothermal vents
Planets Formed Close to Their Stars Are Named for Vulcan, the Roman God of Fire
Closer to their stars than Mercury is to the Sun, these hot worlds deserve an explanation
These Five Earth-sized Planets Are Super Old
Kepler-444 is 11.2 billion years old and its five planets could tell us about planet formation in the early universe
Come for the Giant Rock, Stay for the UFO History
George Van Tassel believed he could communicate with aliens
Visit Kepler’s Exoplanets—And Don’t Worry About the Natives (At Least for Now)
NASA has made a set of travel posters themed to exoplanets while a nonprofit searches for life among them
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