How close are we to discovering life beyond Earth? In this video, we explore the nearest exoplanets - worlds orbiting other ...

Space enthusiasts are tracking Asteroid 2025 MM. It is airplane-sized. It will safely pass by Earth this week. The asteroid ...

At the aphelion, the distance from the Earth’s center to the Sun’s center is going to be 152,087,738 kilometers (94,502,939 ...

Standing on Proxima b would be unlike anything we’ve ever experienced. Just 4.24 light-years away, this exoplanet orbits the ...

Humans might not know of any intelligent beings beyond Earth, but if they exist, they might already know about us. New ...

Aliens could spot Earth because of airports such as Heathrow and Gatwick, according to new research. Radar systems used by ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

Learn more about how genetic research reveals the Norwegian lemming only split from its Siberian cousin 35,000 years ago.

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Before defining what a light-year is, we should define what a light-year is not: It is not a measure of time, but rather a ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...