During its 30 years in orbit around Earth, the NASA/ESA Hubble Space Telescope has witnessed the changing nature of spaceflight as the skies have filled with greater numbers of satellites, the International Space Station ...
Space Exploration
May 1, 2020
1
303
Developing new propellants for satellites to replace toxic hydrazine would make launching and handling satellites safer but it also requires disrupting current systems, according to researchers.
Space Exploration
Mar 30, 2020
0
27
It's mind-boggling to think about anything in terms of infinity.
Space Exploration
Feb 25, 2020
2
139
Two decommissioned satellites sped past each other Wednesday after experts had warned they may collide at a combined speed of 33,000 miles (53,000 kilometers) an hour, sending thousands of pieces of debris hurtling through ...
Space Exploration
Jan 29, 2020
0
104
Chinese researchers have improved the accuracy in detecting space junk in earth's orbit, providing a more effective way to plot safe routes for spacecraft maneuvers.
Optics & Photonics
Dec 24, 2019
0
455
While working at the NASA Johnson Space Center during the 1970s, astrophysicist Donald Kessler predicted that collisions of space debris would become increasingly common as the density of space debris increases in orbit around ...
Space Exploration
Dec 13, 2019
0
7
Current levels of space activity may not be sustainable, even without the introduction of so-called 'mega-constellations,' a new study from the University of Southampton has shown.
Space Exploration
Dec 4, 2019
0
101
The internet of space is here. SpaceX founder Elon Musk tweeted this week using a connection provided by the first satellites in his high-speed Starlink constellation, which one day could include... 42,000 mini-satellites.
Space Exploration
Oct 27, 2019
23
365
The answer to "How did the first organisms on Earth incorporate the critical element phosphorus?" has been a quandary for researchers, but, University of Hawaiʻi at Mānoa physical chemists believe a meteoric visitor could ...
Earth Sciences
Aug 12, 2019
0
329
During the course of a deep space mission, astronauts are routinely in various degrees of peril. Depending on which Hollywood sci-fi thrillers you choose, these intrepid explorers are at the mercy of malicious aliens, psychotic ...
Space Exploration
Aug 6, 2019
8
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