Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

A new adaptive optics technology is set to transform gravitational-wave detection, allowing LIGO and future observatories like Cosmic Explorer to reach new heights. By correcting mirror distortions, ...

The latest private lunar lander is a little closer to its destination. Firefly Aerospace’s Blue Ghost fired its engines early ...

People didn’t notice at first. The steady tug of gravity has been with us so long — since the beginning of time, tens of ...

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

A small uncrewed spacecraft is buzzing the moon, with under two weeks remaining before its bold attempt to land on the lunar ...

President Trump launched the Artemis program to return U.S. astronauts to the moon for the first time since Apollo. Now, the ...

The close encounter was "a historic first of its type for a Japanese private, commercial lunar lander," according to ispace.

An international team of engineers and space scientists has used a variety of assumptions, techniques, and math principles to ...

Before he became the Red Hulk, he was a cold and violent man, complicit in the accident that turned his son-in-law into a ...

On its own, 24 kWh doesn't seem like a lot of power. The problem is that we will need a lot of kilograms. The researchers ...

The Moon, long shrouded in mystery, has recently revealed some surprising truths about the way time behaves in its unique ...