Space and Time

This New Device Can Make Renewable Energy from the Cold Night Sky

This thermoelectric generator harnesses temperature differences to generate renewable electricity. Here the device is powering a small LED light.(Image credit: Aaswath Raman)No sun?...

Soar Over the Likely Mars Landing Site of Europe’s ExoMars Rover in This 3D...

Feel like going for a spin around Mars? A new video shows a 3D view of where the European-Russian ExoMars rover may land,...

Earth from Space

In this week's edition, discover Clarence Strait and part of Australia's Northern Territory with Copernicus Sentinel-2 Source link

Week in images / Highlights / ESA

External control interface for European Robotic Arm This rugged control panel has been designed to be used by a cosmonaut in a spacesuit, on...

Long-Standing Problem of ‘Golden Ratio’ and Other Irrational Numbers Solved with ‘Magical Simplicity’

Most people rarely deal with irrational numbers—it would be, well, irrational, as they run on forever, and representing them accurately requires an infinite...

Where Do Black Holes Lead?

So there you are, about to leap into a black hole. What could possibly await should — against all odds — you somehow...

We Could Chase Down an Interstellar Comet by 2045

We could get an up-close look at our solar system's latest interstellar interloper a quarter century from now if we so desired, a...

‘Ad Astra’ Review: Brad Pitt Goes Interplanetary in a Stunning Space Epic

Warning: There are some mild spoilers for "Ad Astra" in the review below. It's safe to say that "Ad Astra" is probably not the...

NASA still looking for new human spaceflight chief – Spaceflight Now

Ken Bowersox, acting head of NASA’s human exploration and operations mission directorate, listens during a hearing Wednesday before the Space and Aeronautics Subcommittee...