A mission to the mysterious asteroid is technically feasible, but it might not be the best way to study interstellar objects.

Although the public part of the worldwide experiment is coming to an end this month, the world’s greatest extraterrestrial hunt is far from finished.

Billions of people live in areas that lack mobile coverage. Two companies are racing to build satellite networks that will provide service everywhere.

Catch up on the most important news from today in two minutes or less.

Every 10 years, astronomers weigh in on the state of their field. For the first time, they’re tackling Earth-centric issues like gender bias and diversity. 

A scan revealed a clot in a patient’s jugular. The challenge? That patient was an astronaut, 250 miles overhead in the International Space Station.

Last year, the vice president directed the space agency to put astronauts back on the moon. NASA crunched the numbers—and it won’t come cheap.

The history of the search for extraterrestrial life is a good way to understand the unintended consequences of fence-building and boundary-setting in other disciplines.