Nasa focuses on encouraging astronauts to eat more in space to reduce dangerous body and bone mass loss in orbit.
The slab of rock, nearly as big as a dining table, tells how mammals and dinosaurs interacted in the Cretaceous era.
Sixty years ago, the US launched its first satellite - Explorer I - into space, kick-starting decades of scientific discovery.
The photo is a combination of 16 different shots taken by the Curiosity rover's MastCam imager from a vantage point.
The Surrey Space Centre is leading a Europe-wide initiative to tackle a truly global problem through the RemoveDebris mission.
Recycling solid and liquid waste into Marmite and Vegemite "microbial goo" could be the key to lasting food supplies in space.
Nasa's Gold mission will learn how charged waves of magnetism and hurricanes down on Earth affect the upper atmosphere.
The Kepler telescope has so far identified more than 2,300 confirmed exoplanets since beginning operations in 2009.
The announcement will come two months after Donald Trump signed a new space policy directive instructing Nasa to return to the moon.
Spacewalking Nasa astronauts gave a hand to the International Space Station's big robot arm as the US federal government geared back up into action.
The finding comes as Nasa continues to prepare for missions to Mars and beyond.
The light material will also be tested on an F-18 fighter jet to make its wings foldable.
From potentially hazardous asteroids to Saturn's moon Titan's incredible similarities to Earth – these are the best space stories of the week.
A new study based on data from the Cassini spacecraft reveals that Titan's seas lie at an average elevation, like Earth's oceans.
In two weeks' time, a kilometre-wide space rock will skim past the Earth at speeds of around 67,000mph.
The closely-packed group of galaxies is located some 9.7 billion light years away from Earth.
The laser beams, emitted for a few minutes, would be enough to zap the junk into smaller, less harmful pieces.
Nasa satellite images show the contrast between the desert sand and flaky snow in breathtaking images from space.
40 years ago today, NASA revealed its first astronaut class consisting exclusively of women. These astronauts would reach posterity not just as "NASA girls" but as groundbreakers.
While astronomers have predicted this type of event before, it has never been observed directly in a distant galaxy.
The technology works in much the same way as Global Positioning Systems on Earth, albeit on a cosmic scale.
The new five-exoplanet system, dubbed K2-138, is located within the Aquarius constellation and is the first planetary system to be found by citizen scientists.