Look up. The Lyrid meteor shower is happening above you right now. This annual night light show is expected to peak just before midnight on Wednesday night, Apr. 22, and into the early morning hours of Thursday, Apr. 23. “The Lyrids themselves are caused by comet Thatcher, which in recorded history was seen around 1861,” Mitzi Adams, an astrophysicist with NASA’s Marshall Space Flight Center, told weather.com. “But the comet has a 415-year cycle orbit. We won’t see it again...

An artist concept of the test vehicle for NASA's Low-Density Supersonic Decelerator, designed to test landing technologies for future Mars missions. On March 31, 2015, NASA tested the machine's balance. (NASA/JPL-Caltech) Early this summer, reports of flying saucers may spike — and observers wouldn’t necessarily be wrong. That’s when NASA plans to fly its Low-Density Supersonic Decelerator (LDSD), which looks eerily like a UFO, over the Pacific Ocean outside of Kauai, Hawaii. Yesterday, March 31, the agency spun all 15...

Space shuttle Endeavour and its six-member STS-134 crew head toward Earth orbit and rendezvous with the International Space Station in May 2011. Originally published June 30, 2011 Next time you’re in a car driving down the highway, put your hand out the window. Feel that? That’s dynamic pressure. When you’re driving at highway speed, the air rushing past puts about 10 pounds per square foot of pressure on your hand. As you’ve probably noticed, the faster you’re moving, the more...