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Space Week
Preventing Space Traffic Jams
With around one thousand active satellites and the tens of thousands of pieces of space junk orbiting Earth, space is getting exceedingly crowded. Researchers at Lawrence Livermore National Lab are working on a system that could help prevent collisions in space. | Graphic by <a href="/node/379579">Sarah Gerrity</a>, Energy Department.

With space getting exceedingly crowded, researchers at Lawrence Livermore National Lab are working on a system that could help prevent collisions in space.

Photo of the Week: The Cosmic Frontier
This week on Energy.gov, we’ve covered space and beyond -- from technologies at our National Labs that are working to prevent traffic jams in space, to infographics about collecting space-based solar power, to the real-world scientific counterparts to lightsabers. Throughout it all, we've featured experts at the Energy Department and National Labs who are contributing to the U.S. space program. This photo of the Milky Way Galaxy was taken near the Cerro Tololo Inter-American Observatory, about 500 km north of Santiago, Chile. The observatory is home to a four-meter telescope, part of the Dark Energy Survey, which is a research collaboration between institutions from the U.S., Brazil, U.K., Germany, Spain and Switzerland. The survey aims to explore the dynamics of the universe’s expansion. | Photo by Reidar Hahn, Dark Energy Survey, Fermilab.

Check out our favorite energy-related photos!

Laser-Firing ChemCam Vital to Curiosity Rover’s Tour of Mars

The Curiosity rover relies on the most advanced suite of instruments ever sent to Mars -- among them, a laser-firing tool called the ChemCam.

Warp Speed and Lightsabers: Energy Science Fiction vs Energy Science
Science fiction has envisioned many ways that mankind might be able to explore distant galaxies, like the spiral galaxy M106 pictured here, but what is science fiction and what could one day be science fact? | Photo Credit: NASA.

From powering space travel to energizing weapons, energy technology plays a prominent role in science fiction. Experts from the National Labs help us separate the fact from the fiction.