Air And Space - Page 455

May 17, 2018

The largest parachute ever built for Mars aces its first test

The largest-ever parachute bound for Mars, which will land Europe's ExoMars rover on the surface of the Red Planet in 2021, passed the first in a series of tests in Sweden.

May 17, 2018

Earth-like alien planets could experience 'snowball states'

Earth-like planets with severe tilts and orbits could enter abrupt "snowball states," in which entire oceans freeze and surface life cannot survive, according to new research.

May 16, 2018

Where is the best place in the US to spot a UFO?

"The X-Files" may have come and gone, but if viewers want to spot a UFO, perhaps they should trek across the U.S. instead of turning on their TV.

May 16, 2018

NASA astronauts spacewalk on ISS to fix coolant pumps

A couple of spacewalking veterans floated outside the International Space Station Tuesday morning for the first of two planned spacewalks.

May 16, 2018

NASA satellite falls to Earth after 2 decades in space

On April 30, after more than 20 years in space, NASA's Rossi X-ray Timing Explorer ( RXTE ) satellite re-entered and burned up in Earth's atmosphere.

May 16, 2018

Elon Musk says SpaceX will reuse a rocket within 24 hours in 2019

SpaceX has big plans for the latest version of its workhorse Falcon 9 rocket.

May 15, 2018

Scientists believe alien life may exist in other universes after discovering a mysterious 'force'

Alien life could exist in other universes, according to a group of scientists studying a mysterious force known as dark energy.

May 15, 2018

'Lost' asteroid the size of the Statue of Liberty to buzz by Earth Tuesday

An asteroid the size of New York City's Statue of Liberty is expected to buzz by Earth Tuesday, and this time, scientists are ready and waiting.

May 15, 2018

Mega black hole could devour the Sun

Australian researchers have discovered the fastest-growing black hole known in the universe which is swallowing up the surrounding cosmos.

May 15, 2018

Seasonal changes in exoplanet's atmosphere could signal alien life

Seasonal changes in an alien planet's atmosphere could signal the presence of extraterrestrial life, new research suggests.