When NASA launched the Pioneer probes, they were met with an intriguing mystery. At around 20 astronomical units, both ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

Learn the key physics definitions of position, displacement, velocity, and acceleration explained clearly and simply. This quick breakdown helps build a strong foundation for understanding motion in ...

CAMBRIDGE, Mass. -- A mysterious phenomenon detected by space probes has finally been explained, thanks to a massive computer simulation that was able to precisely align with details of spacecraft ...

When an object from outside our star system zooms through our neighborhood in the solar system, it provides a rare ...

The discovery of the first interstellar visitor, a space rock called ‘Oumuamua, sent waves of excitement across the scientific community. It also started a mystery. The object had all the ...