We're total litterbugs. Here on Earth, and out in space. What are some strategies that have been developed to clean…
The central piece of the “pathfinder” backplane that will hold all the mirrors for NASA’s James Webb Space Telescope (JWST)…
In honor of the 2nd anniversary of the Curiosity rover reaching Mars, Caltech has put out a wonderful new video…
NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) has captured a spectacular event: a supermassive black hole’s gravity tugging on nearby X-ray…
A lot of action happens on Earth at night! Just ask NASA's Reid Wiseman, a prolific picture-tweeter who recently uploaded…
The second man to walk on the moon spoke again about his struggles with depression after actor Robin Williams, 63,…
“What are those two bright stars in the morning sky?” About once a year we can be assured that we’ll…
Mark your calendars, astronomy geeks: exactly one year from today, the comet the Rosetta spacecraft is chasing will make its…
NASA’s first spacecraft dedicated to studying Earth’s atmospheric climate changing carbon dioxide (CO2) levels and its carbon cycle has reached…
I firmly believe that our next greatest discovery will be detecting an exomoon in orbit around a distant exoplanet. Although…