Vast Shadow Sweeps Across Young Exoplanetary System
18 years of Hubble Telescope data on a star system reveals a surprising phenomenon spanning tens of billions of miles
Life, Unbounded
Discussion and news about planets, exoplanets, and astrobiology
![NASA's 50 Years of Mars Exploration [Video]](https://static.scientificamerican.com/blogs/cache/file/25E79892-D832-4B5B-B723D390B47D661F_agenda.jpg?w=275&h=154&fit=crop)
NASA's 50 Years of Mars Exploration [Video]
Humans have been visiting and exploring Mars for more than half a century, and NASA has released a video celebrating the agency's remarkable contributions
Another 1/230,000,000th of a Galactic Orbit
As the solar year ends, let's try to stop being so parochial
Earthrise Renewed
Forty-eight years ago human eyes first witnessed Earth rising over the moon; today we can all see it in high-definition
Fresh Ideas for Chasing Consciousness
Understanding life in the cosmos includes tackling the problem of consciousness—a new institute called YHouse intends to help
Cassini's Grand Finale, Part 1: Ring-Grazing and Turbulence
Long-lived space mission starts a bold last-dance with gas giant Saturn
Fermi's Basement Paradox
Where in the world did Fermi go?
Spawning Stars
An extraordinary new image shows a protostellar disk fragmenting into multiple stars
Is Earth Becoming a Less Habitable Planet?
The Arctic now has seven times less old sea ice than it did 30 years ago. What does that mean for our planet's habitability?
Meteoritics on an Alien World (with Lasers)
NASA's Curiosity rover finds a foreign object on Mars, and engages in some science awesomeness
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A Blog About the Weird Wonderfulness of Life on Earth
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