commentary

Neil deGrasse Tyson is the same age as NASA, and both have come a long way in 50 years.

What would aliens conclude about intelligent life on our planet if they picked up our broadcast signals?

Some of the most challenging problems in physics are rooted in the most beautiful-to-behold sights.

Neil Tyson describes the uproar in 2004 after NASA announced it had cut funding to repair the Hubble.

Many people fear information that might contain bad news beyond their control, but such fear forfeits the opportunity to solve the problem. Here's how scientists approach bad news and uncertainty.

According to Neil deGrasse Tyson, dark matter and dark energy could just as well be called without a clue A and without a clue B.

Commentary on the scientific analysis of polling data in the 2008 Democratic primaries.

Our series host loves puzzles—they're fun and challenging. And to him, the greatest of these puzzles of all are the laws of the universe.

The study of the smallest particles offers insight into the biggest event that ever was, the birth of the universe.

Do all stars live to the same age? Are some immortal? Learn about aging in the cosmos.