Science

Our solar system contains planets, dwarf planets, asteroids and comets — but only one world is known to harbor life....

President Trump last week formally nominated Michael Kratsios, a member of the first Trump administration with no degrees in science...

President Trump’s decision to withdraw the United States from the World Health Organization could have harsh consequences for countries around...

Star Wars is back, with an executive order from President Trump that the White House said “directs the building of...

Treating H.I.V. across dozens of nations. Stopping the forced labor of Chinese workers. Training Mexican and Colombian police in anti-narcotics...

When President Bill Clinton worked with a bipartisan Congress to enact a federal program to guarantee vaccines for poor children,...

Let’s be candid here. Vomit is something you want to get rid of. You don’t want it hanging around for...

In at least two executive orders since he took office last week, President Trump has invoked a panel with a...

The Trump administration has instructed organizations in other countries to stop disbursing H.I.V. medications purchased with U.S. aid, even if...

Flower mites spend their lives slurping nectar and nibbling pollen in flowers throughout the tropics. To travel from one blossom...