Ritsuko Kawai

A discovery in a solar system 73 light-years from Earth is challenging definitions and “blurring the lines between stars, planets, and moons.”

The latest estimates reveal that the majority of greenhouse gas emissions from large-scale events such as the FIFA World Cup stem from spectators traveling to host cities.

A recent study suggests that not getting enough sleep increases the risk of weight gain, and thus of conditions like heart disease and type 2 diabetes.

The probe sent back the first pictures of the asteroid Kamo’oalewa. Next step: landing on the surface and collecting samples to send back to Earth.

A large-scale clinical trial has shown that even long-term consumption of DHA—an omega-3 fatty acid found in abundance in oily fish—may not lead to improvements in cognitive function.

Aa large-scale study demonstrates that preservatives widely used in everyday processed foods may exacerbate common health risks.

Researchers say the discovery could be a “Rosetta stone” for cosmic signals.

It's long been accepted that the smoother the surface, the lower the aerodynamic drag. That turns out not always to be the case.