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At Nine Billion Light Years, ‘Icarus’ Is the Most Distant Star Ever Observed
Thanks to gravitational lensing, astronomers can observe normal stars across colossal stretches of space and time.
NASA Is Stress-Testing Its Next Gigantic Kickass Space Telescope
Watch an astrophysicist's talk on the telescope from the Perimeter Institute.
There'd Better Be Some Goddamn Aliens in This Solar System Loaded With Earth-Sized Planets
A newly discovered seven-planet system is our “best bet” for finding life.
The Universe Contains Ten Times As Many Galaxies As Previously Estimated
“It boggles the mind that over 90 percent of the galaxies in the universe have yet to be studied.”
Watch this Brief History of the Search for an Earthlike Exoplanet
A trip inside the “holy grail” of exoplanet research.
The Kepler Mission Has Found Another 1,284 Planets—The Biggest Haul Yet
Some of these planets could host life.
The James Webb Space Telescope Will Follow In Hubble’s Footsteps in 2018
Some two decades in the making, the JWST will probe deep space for the earliest stars and galaxies formed in the universe.
The 'Most Earthlike' Planets We've Found So Far Are Not Very Earthlike
The first two decades of exoplanet research yielded thousands of new worlds. The next two might reveal Earth twins, or even alien life.
The First Stars May Have Been 100 Million Times Brighter Than the Sun
When the James Webb Space Telescope looks back in time, is this what it will see?
This Sunshield Will Keep the World's Most Powerful Space Telescope from Frying
With 1600 square feet per layer and an SPF of one million, the James Webb Space Telescope’s sunshield is the most badass component of an already badass space observatory.
A Way Out of the "So What?" Paradox of Hunting Alien Earths
A new paper points at white dwarf stars as our best hope at finding planets with oxygen.
American Astronomical Society Fellow Bethany Johns Breaks Down Our Future in Space: Q+A
Twenty years hence we may look back on July 2011 as zero-hour in the life of American space exploration. Here's a look at what's been cooking this month: * The ion-propelled Dawn spacecraft, which will be the first ever to orbit two asteroids in a...