SUNSET: 
Astronomy in Space with David Dickinson
NASA's Dawn Probe Reaches Its Low, Final Orbit
NASA's Dawn spacecraft has entered a new and final orbit that will take it less than 30 miles above the surface of asteroid Ceres.
Astronomy in Space with David Dickinson
Apollo Astronauts Warmed the Moon
A new study sheds light on an old mystery surrounding anomalous readings from the Apollo landing sites.
Curiosity Rover is Drilling Again
An innovative technique has allowed NASA's Curiosity Rover to resume drilling Martian rocks. But the partially successful test shows that more work remains to be done.
Radio Experiment Launches With China's Moon Orbiter
A Dutch radio astronomy experiment hitched a ride today with China's relay satellite for the upcoming Chang'e 4 mission.
Antares Launch to Light Up Sunday Morning Sky
The Cygnus OA-9 mission launching from Wallops Island early Sunday morning could put on quite a show along the East Coast.
Helicopter to Hitch a Ride with Mars 2020 Rover
A small helicopter will be the first mission to fly through the skies of Mars.
Mars-bound CubeSats Launch With NASA's InSight
The Mars Cube One mission — the first to send CubeSats into interplanetary space — will test revolutionary relay technologies as it accompanies Mars Insight to the Red Planet.
Astronomy in Space with David Dickinson
Pluto's Moon Charon Receives Formal Names
The International Astronomical Union has approved names for features on Pluto's largest moon, Charon.
ARIEL: Next-Decade Exoplanet Mission Selected
The European Space Agency's ARIEL mission will seek to analyze the atmospheric composition and true nature of distant worlds.
Tiangong 1's Remote Reentry
China's first space station reentered Earth's atmosphere over the South Pacific after almost seven years in space.
Rocket Barrage to Study Northern Lights
A series of 11 sounding rocket flights from two remote locations in the Arctic circle will help unlock the secrets of the processes behind the Northern Lights.
NASA Budget Proposal Cancels WFIRST
The recent budget proposal for NASA dealt a blow to the astronomical community, putting several key missions — including WFIRST, a successor to Hubble — under the financial axe.
Astronomy in Space with David Dickinson
Explorer 1: NASA Marks 60 Years in Space
60 year ago today, a small satellite ushered in the U.S. space program in a big way.
Astronomy in Space with David Dickinson
NASA Unveils New Power Source for Space Exploration
The Kilopower fission reactor will offer a more efficient and more powerful portable power source for solar system exploration.
Astronomy in Space with David Dickinson
Looking Ahead: Space Missions for 2018
The next year will see space missions headed for Mars, Mercury, the Sun, and more. Asteroid rendezvous, exoplanet discoveries, and a Mars landing await.
Two Finalists for NASA's New Frontiers
NASA has selected two finalists for consideration as the next New Frontiers mission: a comet sample return and a flying drone for Titan.
Voyager 1 Fires Dormant Thrusters
NASA engineers directed the historic spacecraft Voyager 1 to fire its backup thrusters for the first time in 37 years.
Astronomy in Space with David Dickinson
NASA Joins Japanese Mission to Martian Moons
NASA is developing a key instrument for a mission to the Martian moons, Phobos and Deimos.
Astronomy in Space with David Dickinson
NASA Completes Parachute Test for Mars 2020 Rover
A suborbital launch from Wallops Flight Facility tested a critical piece of landing hardware for the Mars 2020 rover.
Astronomy in Space with David Dickinson
China's Tiangong 1 Space Station to Burn Up
Early next year, an international team will track the uncontrolled atmospheric reentry of Tiangong 1, China's first prototype space station.