(Phys.org)—As if space travel was not already filled with enough dangers, a new study out today in the journal PLOS ONE shows that cosmic radiation – which would bombard astronauts on deep space missions to places like ...
Space Exploration
Dec 31, 2012
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A Harvard physicist has shown that wormholes can exist: tunnels in curved space-time, connecting two distant places, through which travel is possible.
General Physics
Apr 15, 2019
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2079
Believe it or not, time travel is possible.
General Physics
May 14, 2020
27
2076
Humans have a knack for sharing intimate moments in unlikely places, as membership of the mile-high club demonstrates. So there is a significant chance that the launch of the space tourism sector may be swiftly followed by ...
Space Exploration
Jul 19, 2023
6
210
We've achieved amazing things by using chemical rockets to place satellites in orbit, land people on the moon, and place rovers on the surface of Mars. We've even used ion drives to reach destinations further afield in our ...
Space Exploration
Feb 24, 2016
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1261
Understanding the thermonuclear explosion of Type Ia supernovae—powerful and luminous stellar explosions—is only possible through theoretical models, which previously were not able to account for the mechanism that detonated ...
Astronomy
Oct 31, 2019
27
3450
"If one made a research grant application to work on time travel it would be dismissed immediately," writes the physicist Stephen Hawking in his posthumous book Brief Answers to the Big Questions. He was right. But he was ...
General Physics
Nov 9, 2018
14
436
A recent study submitted to Acta Astronautica and currently available on the arXiv preprint server explores the potential for using aerographite solar sails for traveling to Mars and interstellar space, which could dramatically ...
Space Exploration
Sep 22, 2023
10
233
Planning a little space travel to see some friends on Kepler 22b? Thinking of trying out your newly-installed FTL3000 Alcubierre Warp Drive to get you there in no time? Better not make it a surprise visit — your arrival ...
General Physics
Mar 1, 2012
55
8
American space firm Blue Origin successfully completed the third launch and vertical landing of its reusable New Shepard rocket on Saturday, company founder and Internet entrepreneur Jeff Bezos said.
Space Exploration
Apr 3, 2016
8
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