Earth to Mars in 100 days: The power of nuclear rockets

The solar system is a really big place, and it takes forever to travel from world to world with traditional chemical rockets. But one technique developed back in the 1960s might provide a way to shorten our travel times dramatically: ...

Time travel could be possible, but only with parallel timelines

Have you ever made a mistake that you wish you could undo? Correcting past mistakes is one of the reasons we find the concept of time travel so fascinating. As often portrayed in science fiction, with a time machine, nothing ...

Blue Origin rocket makes third successful vertical landing

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.

Pressure mounts on aviation industry over climate change

Under pressure from frequent flyers alarmed over climate change, the airline industry says it is "hellbent" on reducing emissions—but the technology needed to drastically reduce its carbon footprint is still out of reach.

Rocket powered by nuclear fusion could send humans to Mars

Human travel to Mars has long been the unachievable dangling carrot for space programs. Now, astronauts could be a step closer to our nearest planetary neighbor through a unique manipulation of nuclear fusion, the same energy ...

Hawking's final book offers brief answers to big questions

Stephen Hawking's final work, which tackles issues from the existence of God to the potential for time travel, was launched on Monday by his children, who helped complete the book after the British astrophysics giant's death.

page 3 from 40