Science

On April 20, SpaceX conducted the first full flight test of its Starship vehicle that is to one day carry astronauts to the moon and perhaps colonists to Mars. The brief flight...

SpaceX is preparing for the second test flight of Starship, the giant rocket that is being built to carry NASA’s astronauts to the surface of the moon and Elon Musk’s ambitions to...

A Moment That Sums It Up: 3:46 p.m.The millionth vet joined the database on the afternoon of Nov. 11. Employees who had waited a dozen years for this moment wept.As the goal...

The first time orcas appeared near his catamaran, Florian Rutsch was surprised, but prepared.Like many venturing around the Iberian Peninsula, Mr. Rutsch had browsed Facebook groups, Telegram chats and other online platforms...

The United States and China, the world’s two largest climate polluters, have agreed to jointly tackle global warming by ramping up wind, solar and other renewable energy with the goal of displacing...

Doctors have long relied on a few key patient characteristics to assess risk of a heart attack or stroke, using a calculus that considers blood pressure, cholesterol, smoking and diabetes status, as...

On Oct. 9, 2022, telescopes in space picked up a jet of high energy photons careening through the cosmos toward Earth, evidence of a supernova exploding 1.9 billion light-years away. Such events...

On a map of the United States, you can barely see the skinny strip of land that is Fort Morgan, Ala. But the narrow peninsula — about 20 miles long and, in...

Lost: One tool bag. Last seen this month floating through space near the International Space Station. If found, please return to NASA.Two NASA astronauts set out on Nov. 1 for their first...

The handful of patients had severe heart disease that had caused chest pain and heart attacks. After trying available cholesterol-lowering medications, they could not get their cholesterol as low as cardiologists recommended.So...