On a blue-sky day, it’s easy to look up into the far-reaching atmosphere and marvel at the wonders that it holds — and not even realize that anything is staring back at you. But in reality, fleets of satellites and aerospace …
Space
Has the Missing 80% of the Universe’s Mass Been Found?
The search for dark matter — the glue that holds the cosmos together — takes a big step forward
Window on Infinity: Pictures from Space
Stunning images of the sun, Earth and far-away locales in our roundup of cosmic views from March 2013.
How Should We Deal With Future Near-Earth Asteroids? In the Words of NASA: ‘Pray’
NASA chief Charles Bolden did not have many reassuring words for the U.S. House of Representative Science Committee when he spoke recently about his agency’s efforts to track and mitigate recent threats from space.
Look Close! Something’s Strange in the Photo of the Universe
A new cosmic portrait contains a strange anomaly
Where in the Universe Is Voyager? The Surprising Showdown Over Where Our Solar System Ends
Voyager 1 entered interstellar space, and then — oops! — it didn’t
Report: Humanity Leaves the Solar System — Or Maybe Not
Updated 1:51 p.m.
It was a threshold crossed in the deepest reaches of space: A spacecraft launched from Earth has now entered new and unexplored territory that may or may not be outside our solar system. A press release …
A Super-Telescope Goes to Work
The ALMA array, perched on a 3-mi. high plateau in the Chilean desert, will revolutionize stargazing
A Living Ocean on a Jovian Moon?
Jupiter’s watery Europa may be the best bet for life elsewhere in the solar system
Mars on Earth: A Look at the Mars Desert Research Station in Utah
At the Mars Desert Research Station outside Hanksville, Utah, a group of scientists are taking advantage of Mars-like terrain to investigate the possibility of human exploration of the red planet. Crews of scientists, students …
