Astronaut Scott Kelly will return from a year in space both older and younger than his twin brotherByGideon LichfieldPublishedMarch 27, 2015
NASA wants us all to help name new geological discoveries on PlutoByAdam EpsteinPublishedMarch 24, 2015
NASA’s new ion engine is already in space and could someday be used on a mission to MarsBySteve GabrielPublishedMarch 23, 2015
An astronomer explains the science behind what the spring equinox actually isByTanya HillPublishedMarch 20, 2015
NASA has discovered a weird, never-before-seen aurora and a mysterious dust cloud around MarsByAdam EpsteinPublishedMarch 20, 2015
Ripples around our galaxy suggest it’s way bigger than we originally thoughtByZach Wener-FlignerPublishedMarch 16, 2015
A breathtaking photo of a constellation 4,000 light-years from Earth is the most detailed ever of that regionByZach Wener-FlignerPublishedMarch 12, 2015
The bizarre story of how a stellar explosion produced the fastest star in the galaxyByAdam EpsteinPublishedMarch 6, 2015
NASA is auctioning off the first space selfie and a trove of other incredible photosByZach Wener-FlignerPublishedFebruary 25, 2015
Everything you need to know about space probes in one beautiful websiteByAdam EpsteinPublishedFebruary 20, 2015
Massive clouds erupted into Mars’ atmosphere and no one knows whyByChristian SchroederPublishedFebruary 18, 2015
100 people will vie for the 24 spots on the one-way mission to MarsByAdam EpsteinPublishedFebruary 17, 2015
This smiling galaxy cluster in NASA’s image archive looks like an emojiByAdam EpsteinPublishedFebruary 11, 2015
This woman wants to live and die on Mars—and 200,000 others would gladly take her placeByCassie WerberPublishedFebruary 11, 2015
If there is life beyond Earth, it’s probably on this moon of JupiterByLeigh FletcherPublishedFebruary 10, 2015
Why Elon Musk sees Brownsville, Texas as his gateway to the universeByGiselle RosasPublishedFebruary 10, 2015
NASA did a killer animation of the dark side of the moonByZach Wener-FlignerPublishedFebruary 9, 2015