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 …
The search for dark matter — the glue that holds the cosmos together — takes a big step forward
Stunning images of the sun, Earth and far-away locales in our roundup of cosmic views from March 2013.
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.
A new cosmic portrait contains a strange anomaly
Voyager 1 entered interstellar space, and then — oops! — it didn’t
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 …
The ALMA array, perched on a 3-mi. high plateau in the Chilean desert, will revolutionize stargazing
Jupiter’s watery Europa may be the best bet for life elsewhere in the solar system
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 …