Fifty-five years after the first Earth Day, climate activists are organizing a nationwide celebration of solar power.
The United States and China are in a new space race to the moon. Eric Lipton, an investigative reporter for The New York Times, explains why the U.S. could lose this race.
The company’s Starship rocket, which has suffered a series of recent test explosions, is still years away from being ready for the mission, former NASA executives say.
Marijuana during pregnancy is linked to poor birth outcomes and developmental delays in children, a leading medical society advised.
The global High Seas Treaty, decades in the making, will become international law. It aims to create vast maritime conservation areas.
The object shares Earth’s orbit around the sun and could be with us for almost another 60 years.
Committee members delayed indefinitely a vote on a hepatitis B vaccine for newborns because they did not feel ready to make a decision.