Ridley said Nasa's female employees 'continually inspire girls to enter the space programme'.
Eta Aquarids to peak on 5 May with up to 60 meteors per hour visible from Southern Hemisphere.
Lake Maracaibo has more than 230 lightning flashes per square kilometre every year.
Matt Damon inspires Chinese space programme to new heights.
How does a weightless man run on the spot while hurtling through space at 17,150mph?
Aerojet's ion engine uses xenon propellant and could be a powerful way to explore deep space.
British physicist Dr Mike McCulloch of Plymouth University has presented results on a new theory.
Nasa and the ESA combined images of Bubble Nebula to create first whole image of the nebula.
The Lyrid meteor shower returns this week, peaking on Friday 22 April.
Peake said he is hoping to run the marathon in 3.5 to 4 hours.
Nasa partnered with tech company Harmonic aimed at showing the 'breathtaking beauty and grandeur of space'.
Breakthrough Starshot initiative aims to get humans to far reaches of space within a generation.
Young Soviet pilot made history 55 years ago today.
Favouring the economic interests of certain citizens over children may be unconstitutional says judge.
The Falcon 9 main-stage booster landed itself on an ocean platform in a dramatic spaceflight first.
SpaceX achievement marks a historic first to make rockets recyclable, says the company.
e-volo developed a personal aerial vehicle and was invited by Nasa to present it to US aerospace experts.
The Dragon spacecraft will carry with it the Bigelow Expandable Activity Module (BEAM).
Behrokh Khoshnevis invents novel 3D printing process that uses powder at high temperatures to create objects.
Unexpected discovery of hole in the NGC 1600 galaxies is the first success of the MASSIVE survey.
The video shows city lights and lightning flashes as the ISS circles the planet.
Using laser techniques could help us hide from aliens - or communicate with them.