Doppler shift

Planets are Finally Being Discovered Orbiting Farther From Their Stars

We don't know much about exoplanets with long orbital periods, but we're starting to learn.

4 months ago

How an Advanced Civilization Could Exploit a Black Hole for Nearly Limitless Energy

A black hole as a source of energy? We know black holes as powerful singularities, regions in space time where…

11 months ago

Awesome New Radar Images of Asteroid 2004 BL86

New video of 2004 BL86 and its moon Newly processed images of asteroid 2004 BL86 made during its brush with Earth Monday…

6 years ago

Close Passing Asteroid 2013 ET Gets Its Picture Taken

Another space rock sat pretty for NASA's big dish photographer. The 70-meter (230-feet) Goldstone antenna zinged radio waves at 2013 ET on…

8 years ago