What is making NASA’s twin Pioneer spacecraft mysteriously drift off course, apparently defying the laws of physics? A rigorous new analysis suggests ordinary heat emission can at least partly explain the wayward probes’ strange trajectories.
A 13-year-old German schoolboy corrected NASA’s estimates on the chances of an asteroid colliding with Earth, a German newspaper reported Tuesday, after spotting the boffins had miscalculated.
Dreamlike view looking south from the historic mountain top Pic du Midi Observatory combines moonlit domes, a winter night sky, and the snowy peaks of the French Pyrenees.
Nasa’s Stereo orbiters have captured stunning new images of spaceborne debris thrown out from the Sun.
This sky is protected. Yesterday marked the 50 year anniversary of the first lighting ordinance ever enacted, which restricted searchlight advertisements from sweeping the night skies above Flagstaff, Arizona, USA.
The black hole, known as Sagittarius A* (pronounced “A-star”), is a certified monster, containing about 4 million times the mass of our Sun. Yet the energy radiated from its surroundings is billions of times weaker than the radiation emitted from central black holes in other galaxies.
The European Space Agency (Esa) is seeking volunteers for a simulated human trip to Mars, in which six crew spend 17 months in an isolation tank. Are you up for it?