This video, courtesy of EarthCam, highlights the progress at the World Trade Center site from October, 2004 to September, 2013.

Daniel Dennett, one of the best-known living philosophers and a professor at Tufts University, feels it’s time to unmask the philosopher’s art and make thought experimentation accessible to a wider audience. 

SpaceShipTwo's second rocket powered test flight reached supersonic speeds of over 1,000 mph.

Could the international imbroglio surrounding Syria be solved so simply?

At least one in ten stars are orbited by an Earth-sized planet, according to data taken by NASA's Kepler spacecraft. 

SpaceX founder Elon Musk reveals a rocket design by using an interactive ‘Iron Man’-like computer interface that responds to his gestures.

What do these pictures tell us, and what do they fail to tell us?

"Rote recitation, day in and day out, is ultimately meaningless."

The office of the future is not going to look anything like the office of today.

Combing software and an external device, a smartphone eye exam system called Peek could revolutionize the way that eye care is conducted in the developing world, given that the vast majority of visual impairments can be corrected. 

Teaching people the habits of honesty is an extremely powerful tool in a cutthroat world.

Prodigy Taylor Wilson decided to tackle the problem of nuclear fusion technology, which he says is stuck in the 1950s.

Imagine if no one knows what your illness is, or if it is mistreated by the medical community. How much worse is it, when treatment is possible, but it is prevented or delayed by ignorance.

A site called Not All Like That (NALT) has been launched for Christians who support LGBT civil rights, as a companion project to Dan Savage’s It Gets Better campaign that launched in 2010. […]

The same color illusion demonstrates how human observations in science can be inaccurate. 

Kirobo, a robot whose name is derived from the Japanese words for "hope" and "robot," has made its first appearance at the International Space Station.

What does Bill Nye, aka, "The Science Guy" have in common with Snooki, the reality TV star?

Today we are celebrating 7 of the most popular - and indeed they turn out to be among the most interesting - ideas of the summer of 2013.

Many Americans are being misled on serious scientific issues, and science journalists have to spend an inordinate amount of time debunking myths which seemingly never die.

Make no mistake about it. Seamus Heaney, widely regarded as the world's greatest poet of the last half century, was Irish.