Study: Hot Jupiters Come Up Dry
Audit: NASA Can't Afford Big Rockets
Moonstruck! 45-Years Since Landing
NASA Searches for Life Beyond Earth
Space Station Shipment Launched
Scientists searching for water on three distant exoplanets have come up dry. Researchers looking at three "hot Jupiters" have discovered that they have far less water vapor than previously thought.
NASA doesn't have enough money to get its new, $12 billion rocket system off the ground by the end of 2017 as planned, federal auditors say, but the agency is making progress on rocket design.
Now's the time to get moonstruck. Forty-five years ago Sunday, Apollo 11's Neil Armstrong and Buzz Aldrin became the first humans to set foot on another world, an occasion that still stirs hearts.
If you believe there must be extraterrestrial life in the immensity of the universe, here's some good news: Top NASA scientists agree with you, and say they're closer than ever to finding out.
An Orbital Sciences commercial cargo ship rocketed toward the International Space Station, carrying food, science samples and new odor-resistant gym clothes for the resident crew.