We've largely ruled out the idea of a Dyson Sphere, but that doesn't make KIC 8462852 any less of a mystery.
China's space agency might stand by EmDrive, but there are still a myriad of engineering problems to solve.
Discovery could lead to a whole new way of understanding black holes and their event horizons.
The four volunteers have spent most of their time in the capsule growing vegetables.
The hot gas giant planet HAT-P-7 b is a gas giant and could have enormous storm systems like Jupiter's.
Nasa is brainstorming to prevent cosmic radiation from damaging a nano-starship on a 20-year long journey.
Maximise your chances of seeing shooting stars outside or via live feeds from telescopes around the world.
This year, the Geminid Meteor Shower might get obstructed by the supermoon.
John Glenn was the first American to orbit the Earth, the oldest man in space and once ran for president.
The last surviving member of the original seven American 'Right Stuff' Mercury astronauts, has died at the age of 95.
He was the third US astronaut in space and the first to orbit the Earth.
A nearby star is showing what will happen when our Sun blows up at the end of its life cycle.
The crystal-like mineral is thought to have formed when the meteorite collided with another object in space.
A Finnish IT company is offering cheaper access to space by building and programming its own satellites.
Slowing rotation means our days are getting longer every century.
Danish astronomer Olaus Roemer came up with the first figure for the speed on this day in 1676.
Aldrin was at the South Pole to see conditions similar to Mars where he hopes a mission will go.
The Russian-made spacecraft will go on display in London at the Science Museum.
Asteroid 2015 TC25 will help scientists understand the bigger ones that meteorites come from.
You can now see a galaxy from the comfort of your home thanks to an algorithm-enhanced telescope.
Light emitted from neutron star appears to be subject to quantum effect 'vacuum birefringence'.
Researchers say the speed of light might have been much faster in the very early universe.
Understanding what causes visual impairment in astronauts is key to mount a mission to Mars.
Top finds include organic molecules, traces of an ancient thick atmosphere and the remains of a surface stream-bed.
A vast, shallow repository of ice has been discovered in a convenient spot for landing and living on the Red Planet.
The Bok globule is a small cloud that gives birth to stars, and is most distant of its kind to have been discovered.
We have already betrayed our existence to any aliens listening out for us.
Fast radio burst lasted less than half a millisecond and appears to have come from a galaxy over a billion light years away
Whitson sets another milestone by becoming first woman to have twice taken command of the ISS.
Scientists find out how the peak of the Chicxulub crater in Mexico collapsed.