Life on Earth Thrives in Acid, Nuclear Reactors, and Boiling Vents
Microbes live in places that should be lethal: boiling acid, nuclear waste, rock kilometers underground. If life is this stubborn here, the universe looks friendlier.
Life & the Universe
Life on Earth Might Not Have Started on Earth — the Serious Science of Panspermia
Meteorites carry amino acids, microbes survive years in open space, and Mars rocks land here regularly. The idea that life traveled to Earth is real science.
The Water You Drink Is Older Than the Sun
Up to half of Earth's water formed in interstellar space before the solar system existed. Your glass of water is a 4.6-billion-year-old antique — or older.
Astronauts on the ISS Watch 16 Sunrises Every Single Day
Orbiting at 28,000 km/h, the space station laps Earth every 90 minutes. Sunrise, sunset, repeat — 16 times before you've had breakfast twice.
Space Has a Smell — Astronauts Say It's Like Seared Steak and Hot Metal
Returning spacewalkers consistently report the same odor clinging to their suits: burnt steak, welding fumes, gunpowder. The universe has a scent.
Jupiter's Moon Europa Hides More Water Than All of Earth's Oceans Combined
Beneath Europa's frozen shell sloshes a salty ocean up to 150 km deep — kept liquid for billions of years and considered the best place to look for alien life.
The Universe Should Be Crawling With Aliens. So Where Is Everybody?
Billions of habitable planets, billions of years of time — yet total silence. The Fermi paradox is science's most unsettling unanswered question.
The 'Habitable Zone' Is Real — and Billions of Planets Sit Inside One
Around every star is a band where water can stay liquid. Our galaxy alone may hold billions of rocky planets orbiting inside this Goldilocks zone.
The Only Animal That Has Survived the Naked Vacuum of Space
In 2007, scientists exposed tardigrades to open space — vacuum, radiation, freezing cold. Many of them simply woke up and carried on living.