Fighter pilot says UFO he chased in 2004 committed 'act of war'

A former U.S. Navy fighter pilot spoke this month about what he says was an encounter with a “Tic Tac”-shaped UFO and believes the flying object committed an “act of war.”

Mystery radio signal in deep space shows activity exactly when scientists expected

In June, astronomers discovered Fast Radio Burst 121102 had a 157-day repeating schedule. Right on schedule, scientists have detected activity from the mysterious radio signal.

Hurricane Laura captured in stunning pictures from space

NASA astronaut Chris Cassidy has photographed Hurricane Laura from his vantage point on the International Space Station.

Jeanette Epps to become first Black female astronaut on ISS in 2021

NASA astronaut Jeanette Epps will make history next year when she becomes the first Black female astronaut to be a crew member of the International Space Station, the space agency announced on Tuesday.

NASA, USF test system that uses human waste to grow fresh vegetables

Human waste could be a key piece of NASA's plan to establish a sustainable presence on the moon and make successful trips to Mars.

Planned jet could fly from NYC to London in 90 minutes

Virgin Galactic unveiled the design for an upcoming high-speed aircraft this week that may be able to fly from New York to London in 90 minutes.

China launches ambitious attempt to land rover on Mars

China has launched its most ambitious Mars mission yet in an attempt to join the United States in successfully landing a spacecraft on the red planet.

Dazzling comet will make closest approach to Earth July 23 — here’s how to watch

In March, the comet was faint, but this month, the comet is relatively easy to observe with binoculars or a telescope. This comet continues to brighten, and is becoming visible to the naked eye.

SpaceX breaks space shuttle's record for rocket turnaround time

The ANASIS-II satellite blasted off from breezy Cape Canaveral at 5:30 p.m. atop a Falcon 9 rocket – but not just any Falcon 9 rocket. This particular booster was the same one that hoisted two astronauts on the first-ever flight of a private crewed spacecraft to the space station.