The Sciences

A trove of new detections suggests that the bursts could be the result of at least two separate astrophysical phenomena

Some “gain of function” studies explore how a dangerous pathogen might cross species barriers to start an outbreak. They are not without controversy

There’s a detectable difference between a planet shining with reflected light and a planet glowing with its own artificial illumination

How a dispute between a religious believer and a confirmed atheist led to a major mathematical breakthrough

Scientists found that elephants often sniff pathways—and seem especially attuned to urine.

The spacecraft captured the first close-up views of the solar system’s largest moon in more than 20 years

The multibillionaire—along with his brother and at least one other passenger—could reach suborbital heights as soon as July 20

As Oscar Wilde famously observed: Be yourself; everyone else is already taken

Mysterious creatures of the deep shine in images by marine biologist Alexander Semenov

The vast majority of examined incidents were not caused by U.S. advanced technology programs, the forthcoming report concludes. So what’s going on?

The flyby will be the closest a spacecraft has come to the gas giant’s largest moon in 20 years

A conversation with Eric Lander during his first day as the director of the White House Office of Science and Technology Policy