Ever since its formation around 4.5 billion years ago, Earth's rotation has been gradually slowing down, and its days have ...

Scientists have used precisely tuned pulses of laser light to film the ultrafast rotation of a molecule. The resulting "molecular movie" tracks one and a half revolutions of carbonyl sulphide (OCS) - ...

More daylight helped oxygen escape from microbial mats. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Here's a new spin on how Earth became an ...

What’s the News: For the first time, astronomers have found molecular oxygen, which makes up about 20 percent of our air on Earth, in space. Using the large telescope aboard the Herschel Space ...