Scientists have described a brand new type of visual illusion that makes people see non-existent rays shining through rings of concentric polygons.

As many as one in three cases of depression are resistant to standard treatments. Could laughing gas be an alternative?

A man's lack of friends may predict whether he will embrace toxic masculinity, while the presence or absence of a male role model early in life isn't a factor.

Conflict is healthy.

The study adds to a growing body of research on the potential benefits of psilocybin for people with depression.

More research is needed to know if the same mechanism halts hair growth in humans.

Since the 1980s, the rate of twin births worldwide has increased by more than 30%.

The hair ball was more than a foot long and completely filled her stomach.

The rubber pencil illusion works because our brain can't keep up.

Magnetic bead toys are particularly dangerous for young children, who may accidentally swallow them.