An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Microgravity also affects muscles and bones. Without the constant pull of gravity, muscles don’t have to work as hard, leading to muscle loss. Similarly, bones begin to lose density because they ...

“He was very taken with the thought that no phenomenon becomes a true phenomena until it has been observed,” Wald told Salon ...

Astrophysicists have imaged a large number of exocomet belts around nearby stars, and the tiny pebbles within them. The crystal-clear images show light being emitted from these millimeter-sized ...

Four zebrafish spent 43 days in orbit aboard the Tiangong space station, breaking records and advancing space biology. In ...

Blue Origin's massive New Glenn rocket blasts into orbit. Is SpaceX feeling the heat?

The first big launch belongs to SpaceX, which is sending its Blue Ghost lunar lander to the moon in January 2025. It's set to ...

This week, uncover some of the oldest ice on Earth, follow a dinosaur highway, learn how Pluto sealed the capture of its moon ...

On November 3rd, 1957, the Soviet Union made history by launching the first living creature into Earth’s orbit: not a human, ...

Our new study explored a different possibility – that laws about bodily damage are rooted in something universal about human nature: shared intuitions about the value of body parts. Do people across ...

Carbon, which is found in the human body, takes an unusual journey after the demise of the the stars that create the element.

In the first decades of the 21st century, NASA’s Artemis program aims to return humans to the Moon, thanks to international partnerships.