Space
- Oceans
‘Ocean Worlds’ chronicles the story of water on Earth and across the cosmos
Jan Zalasiewicz and Mark Williams recount the history and predict the future of Earth’s oceans.
- Planetary Science
Space simulations of 1960s focused on survival
50 years ago, space simulations focused on survival. Now, quality of life is critical, too.
- Planetary Science
New Horizons spies two of Pluto’s moons
Nix and Hydra come into view on the 85th anniversary of Pluto’s discovery.
- Cosmology
The past according to Planck: Cosmologists got a lot right
New results from the Planck satellite largely support cosmologists’ theories, but leave the door open for new discoveries.
- Planetary Science
Dwarf planet Ceres comes into view
New images from the Dawn spacecraft reveal a landscape of craters and mysterious bright patches on the dwarf planet Ceres.
- Astronomy
Pair of stars buzzed the solar system 70,000 years ago
Astronomers discover a binary system that made the closest known flyby of the sun.
- Astronomy
Closest star approach to the sun
Astronomers discover a binary system that made the closest known flyby of the sun.
- Astronomy
Giant hydrogen cloud headed for Milky Way
A high-speed hydrogen cloud on a crash course with the Milky Way appears to be an exotic interloper, preliminary data suggest.
- Astronomy
Top 10 messages to send to E.T.
Fears that sending signals to alien civilizations would provoke an invasion shouldn't prevent transmitting important messages.
- Planetary Science
Enceladus ocean may resemble Antarctic lake
The pH of a subsurface sea on a moon of Saturn resembles an ice-covered lake in Antarctica where microbial mats thrive.
- Astronomy
Stellar nursery gives birth to quadruplets
Four young stars, still in their cocoons, show that binary and other multiple star systems form together.
- Astronomy
Finding joy and inspiration in the pursuit of knowledge
Editor in Chief Eva Emerson ruminates on the power of knowledge, and the ways scientists are refining how we think about the aging human brain, far away comets and even the speed of light.
