News tagged with science fiction

Are aliens watching old TV shows?

You've probably heard the trope about how aliens have been watching old episodes of "I Love Lucy" and might think these are our "historical documents". How far have our signals reached?

Jan 20, 2015
4.7 / 5 (26) 51

'Blockbuster' science images

At this point, the blockbuster movie Interstellar has created such a stir that one would almost have to be inside a black hole not to know about it. And while the science fiction thriller may have taken some ...

Nov 21, 2014
4.6 / 5 (12) 0

Five questions about the Rosetta mission

On November 12, the Rosetta spacecraft's Philae lander is due to land on the surface of a comet. As a space scientist working with those who have instruments on board, I can't wait. I met up with some of ...

Nov 07, 2014
4.6 / 5 (5) 1

Topological defects in the fabric of space and time

A cosmic string is a very long (possibly as long as the diameter of the visible universe), very thin (less than the width of a proton) high-density object formed during the early moments of the big bang. ...

Oct 10, 2014
3.1 / 5 (20) 13

How do you jumpstart a dead star?

It's a staple of science fiction, restarting our dying star with some kind of atomic superbomb. Why is our sun running out of fuel, and what can we actually do to get it restarted?

Mar 14, 2014
4.3 / 5 (31) 15
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