12 spectacular images from NASA's Spitzer telescope
September 6, 2019, 3:15 p.m. by Katherine Butler
The telescope is so sensitive it can see objects optical telescopes cannot. Here are some incredible images it has helped capture.
Why the third Monday in January could be the most depressing day of the year
January 15, 2019, 1:09 p.m. by Katherine Butler
One psychologist explains which events and emotions play a factor.
Man isn't the only animal to find pleasure in the pain of peppers
July 19, 2018, 11:57 a.m. by Katherine Butler
For years, scientists thought humans were the only animals that enjoyed eating peppers until they studied the tree shrew.
The worst everyday air pollutants and what they do to our bodies
July 9, 2018, 12 p.m. by Katherine Butler
Here's how some of the most common air pollutants are created and the effect they have on our health.