Europe's science probe Philae sent home a treasure trove of data from a comet heading towards the Sun before falling silent as its power ran out, mission control said Saturday.
Space Exploration
Nov 15, 2014
31
0
They resemble small fragments of charcoal, but the soil samples collected from an asteroid and returned to Earth by a Japanese spacecraft were hardly disappointing.
Space Exploration
Dec 24, 2020
21
7089
As Earth's magnetic shield fails, so do its satellites. First, our communications satellites in the highest orbits go down. Next, astronauts in low-Earth orbit can no longer phone home. And finally, cosmic rays start to bombard ...
Space Exploration
Dec 7, 2018
13
2739
Black holes are created when stars die catastrophically in a supernova. So what in the universe is a white hole?
Astronomy
Oct 9, 2015
38
908
Gravity is a pretty awesome fundamental force. If it wasn't for the Earth's comfortable 1 g, which causes objects to fall towards the Earth at a speed of 9.8 m/s², we'd all float off into space. And without it, all us terrestrial ...
Space Exploration
Dec 7, 2016
3
10
In the northern sky in December is a beautiful cluster of stars known as the Pleiades, or the "seven sisters." Look carefully and you will probably count six stars. So why do we say there are seven of them?
Astronomy
Dec 22, 2020
30
20508
On Oct. 12, 2017, the asteroid 2012 TC4 is slated to whizz by Earth dangerously close. The exact distance of its closest approach is uncertain, as well as its size. Based on observations in October 2012 when the space rock ...
Space Exploration
Apr 13, 2015
8
4626
A North Texas county issued a disaster declaration ahead of the April 8 solar eclipse, warning of traffic and potential gridlock as the celestial event ends.
Space Exploration
Mar 28, 2024
0
353
The eight planets in our solar system each occupy their own orbits around the Sun. They orbit the star in ellipses, which means their distance to the sun varies depending on where they are in their orbits. When they get closest ...
Space Exploration
Apr 22, 2014
1
5
There's something going on beneath the surface of Jupiter's icy moon Europa. But what?
Space Exploration
Sep 23, 2016
6
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