Does colorful light therapy actually make a difference? I tested a range of devices on my acne-prone skin to find out.

SHOPPING: Shark Ninja - best known for vacuum cleaners and air fryers - has launched an LED face mask developed with dermatologists that claims to be the best way to banish wrinkles.

The Moon passes 0.4° south of the bright red giant Antares in Scorpius this morning at 4 A.M. EST. The pair is visible in the predawn sky. This evening, let's look for another bright red giant: ...

What exactly do cats see? Pet owners have spent ages trying to figure out how their furry companions experience the world.

It was previously believed that our pupil size was only affected by three things: light, focusing on nearby objects and ...

Researchers from London's Moorfields Eye Hospital, biotech firm MeiraGTx and University College London have demonstrated that ...

Researchers have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing. The study shows that the pupil is smallest during inhalation and largest during exhalation ...

Researchers at Karolinska Institutet in Sweden have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing.

Researchers have discovered that breathing affects pupil size, with the pupil being smallest during inhalation and largest ...

A groundbreaking gene therapy has restored sight in four young children born with severe blindness due to a rare genetic ...