Space

It actually crossed our orbit already on the 8th. It is already moving upwards away from our orbit. Earth is catching up on it from behind and is closest on the 13th at 61 million kilometers. That's…

For any of you who haven't seen it, here is a stereo image of Ultima Thule, alternating between two images which help if you don’t have 3D Anaglyph glasses. The interesting thing about it is that…

China has a track record of slow gradual advancement in space flight technology which is unlikely to alarm the US of A into action in the way Sputnik did. The timeline of their advancement suggests…

From the Neolithic to present times, the amount of sunlight we see in a day has had a profound impact on human culture. We are fast approaching the winter solstice for the Northern hemisphere, which…

Short summary - the risk from larger asteroids of 1 km upwards, large enough to have some global effects is more or less retired as a result of astronomical searches for the last few decades. There…

A distant planet has an abundance of helium in its atmosphere so great that it has swollen to resemble an inflated balloon. The helium of HAT-P-11b, 124 light years from Earth and in the Cygnus…

One of the most baffling puzzles of modern astrophysics is the nature of Fast Radio Bursts, which were discovered in 2007. These are seemingly rare, extremely bright flashes of light with radio…

Coverage began at 2 p.m. Eastern (7 p.m. UTC). Landing started about 40 minutes later, the entire landing telemetry was streamed live through the briefcase sized Mars Cube One interplanetary "cube…

More Mars landing attempts have failed than on any other planet or moon due to one fundamental physical property of Mars. That property is the atmosphere. This is the reality NASA will face…

This is running as a scary story in the more sensationalist science outlets. Dark matter barely interacts with matter and if they are right we are right in the middle of it already. It can’t do any…