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Google's Project Suncatcher would need sophisticated collision avoidance capabilities to navigate a junk-filled landscape.

Conspiracy thinking, supernatural beliefs and pseudoscience can seem impervious to evidence. An anthropologist suggests the opposite: Extraordinary beliefs may be supported by an individual's experience.

To reduce emissions put into the atmosphere, Google is using carbon capture and sequestration. But not all CCS projects are the same.

Although some high-speed rail has been built in the northeastern US, the rest of the country has almost none.

Bacteria living in your mouth get to work as soon as you take your first bite or sip of something sweet. Consuming your sugar more strategically can help keep cavities at bay.

Many different types of stress can trigger a headache. Luckily, there are treatments that can help stop your head from pounding.

The mysteries of Easter Island, subjects of speculation for centuries, yield to scientific inquiry.

Researchers design studies that might disprove what's called their null hypothesis - the opposite of the claim they're interested in exploring.

Naloxone can reverse an overdose in minutes, but exactly how it does this at the molecular level has previously been unclear.

Some unique 'stars' might be fueled by dark matter annihilation.