Combined ALMA and NTT observations of Herbig-Haro object HH 46/47 showing jets moving toward and away from us. This is a baby star generating powerful streams of material, approximately 1400 light-years away.
NGC 1275 as seen by the Hubble Space Telescope -- it is one of the closest giant elliptical galaxies located 230 million light-years away. This example has helped astronomers understand how galaxies evolve.
On Aug. 18, the sun unleashed an M-class solar flare, leaving a tangled mess of magnetism and superheated plasma in its wake.
As an encore, on Aug. 20, 2013, the sun erupted with an Earth-directed coronal mass ejection or CME, which sent a huge bubble of magnetized plasma into space.
The sun sets over the Aleutian Islands, with noctilucent clouds glowing high in the Earth's atmosphere, in this dreamy photo from low-Earth orbit courtesy of space station astronauts.
This recently-released photograph from the International Space Station shows a docked Russian Soyuz space vehicle looking down on northern Italy and the Mediterranean coast.
Space station astronauts captured this view of the sun glinting off the waters surrounding the Azuero Peninsula of Panama.
The SpaceX Grasshopper rocket recently hovered 1,066 feet and carried out lateral maneuvers during tests. This is the highest the reusable commercial booster has hovered to date.
Ian O'Neill/Discovery News
'The Corridor of Starships' featuring interstellar art leading to the meeting rooms of the first Icarus Interstellar Congress that was held at the Hilton Anatole in Dallas, Texas, from Aug 15-18. The conference featured talks on advanced propulsion, human culture in space and developmental ideas for the exploitation of our solar system.