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Articles on Carl Sagan

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US F/A-18 footage of a UFO (circled in red). Creative Commons Attribution-Share Alike 4.0 International license. Parzival191919

Are we alone? The question is worthy of serious scientific study

About 5 percent of all UFO sightings cannot be easily explained by weather or human technology. A physicist argues that there’s compelling evidence to justify serious scientific study and that the skeptics should step aside – for the sake of humanity.
Jodie Foster in Contact. Google Images

‘Contact’ and Carl Sagan’s faith

It is the 20th aniversary of Carl Sagan’s sci-fi film, Contact - and a great time to celebrate its legacy and revisit its main premise of Science vs. Religion.
Will Bill Nye’s new show find a wider audience than Neil deGrasse Tyson’s ‘Cosmos’ did? Vince Bucci/Invision for the Television Academy/AP Images

Can Bill Nye – or any other science show – really save the world?

Popular programming that focuses on science tends to not actually be all that popular. Bringing in new audiences who aren’t already up to speed on science topics is a challenge.
The idea that there’s a moral imperative for humans to expand beyond Earth is echoed by influential proponents of space exploration. Tamara Craiu/Flickr

To boldly go toward new frontiers, we first need to learn from our colonial past

Technology had enabled humans to explore the deep sea, the Earth’s poles, and outer space. But we shouldn’t forget historical lessons about frontiers in the process of traversing them.

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