The human fingerprint on global warming was likely evident in Earth’s atmosphere far earlier than previously thought—even ...

US space leadership is at risk without urgent action on launch emissions, orbital debris, and space sustainability. With the ...

Supernovas happen when giant stars, far larger than our sun, burn through their fuel and collapse under their gravity.

Today, the Occupational Safety and Health Administration (OSHA) began a public hearing on the creation of a first-of-its-kind ...