Science

The astronomers will tell you it is just an optical illusion, a pair of galaxies caught in the act of mating as seen from the wrong angle. Happens all the time.In the...

Each planet of the solar system has its own look. Earth has aquamarine oceans. Jupiter has panchromatic tempests. Saturn has glimmering rings. And Neptune has ghostly clouds — at least, it used...

Floating languorously through forests and jungles of the Americas, longwing butterflies have many secrets. The 30-odd species in this group include many mimics. The wing markings on some distantly related species of...

Johannes Fritz, a maverick Austrian biologist, needed to come up with a plan, again, if he was going to prevent his rare and beloved birds from going extinct.To survive the European winter,...

Wildfires are getting worse. Parts of the United States, scientists say, are experiencing wildfires three times as often — and four times as big — as they were 20 years ago. This...

For reasons unknown, the spin of Mars is speeding up.NASA’s InSight lander fell silent in December after dust accumulated on its solar panels. But scientists continue to sift through the four years’...

As I hurried to an appointment one recent afternoon in New York City, the harsh sun seemed to set my skin and hair on fire. Sweat pooled under my sunglasses, and my...

The victim was found along a stretch of beach near the port city of Odesa in southern Ukraine early this summer, cause of death unknown.As a light rain fell in the open...

A federal appeals court panel said Wednesday that it would impose restrictions on the abortion pill mifepristone that would prevent the drug from being prescribed by telemedicine or dispensed through the mail.But...

When Jessica Albright returned with her family to their home in East Palestine, Ohio, last month after four months away, she opened the car door and took a deep breath — then...