Starstruck: Three Little Exoplanets All in a Row
NASA/JPL-Caltech
Not all solar systems are as tidy as ours, but a new discovery means we're not quite so alone anymore.
Video
UFO Mystery: The 65th Anniversary of Roswell
Author and journalist Annie Jacobsen talks about the enduring rumors about the U.S. Army and a crashed UFO outside the sleepy town of Roswell, NM
Photos
Transit of Venus: A Rare Celestial Event
TIME takes a look at photographs from the once-in-a-lifetime event
Special Report
Space & Astronomy
Cosmic dispatches — both late-breaking and from the archives
Tribute: Sally Ride, First American Woman in Space
By Jeffrey Kluger
Here's how Sally Ride knew she was special: The day she was assigned to her first space flight, she was summoned to meet with Chris Kraft. Kraft was the soon-to-retire director of the Manned Spaceflight Center in Houston
How to Build a Jellyfish — and Why You'd Bother
By Jeffrey Kluger
A synthetic version of the common critter could be a boon to human health
Found: the Prettiest Baby Galaxy Ever
By Daniel Cray
Galaxies are supposed to out clumpy and, well, kind of ugly. But a new find changes all that.
Geek Party! How to Run Across a Pool of Goo
By Veronique Greenwood
A familiar party game involving cornstarch, water and a wading pool is explained at last
The Power Grid: From Rickety to Resilient
By Bryan Walsh
Blackouts will become more common unless we build a system that can bend but not break
