A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...

Earth is the only planet in the known universe that has the right combination of water, atmosphere, temperature, and chemical ...

Space is completely silent because there is no air, which prevents sound from traveling.

While its orbit is elliptical like all the others, it is the only planet that sometimes crosses inside the orbit of another. So, rather than floating out in the deep reaches of space all by its ...

It has a diameter of roughly 4,222 miles (6,794 km) — about half Earth's diameter, according to the European Space Agency (ESA). The Red Planet is rocky, much like Earth. The inside structure of ...

The European Space Agency (ESA) just released some new snapshots from its Mars Express orbiter that detail the dynamic ...

A team of astronomers announced on April 16, 2025, that in the process of studying a planet around another star, they had ...

Astronomers have spotted a first-of-its-kind rapidly crumbling planet outside the Solar System that is leaving behind a “gargantuan” comet-like tail of debris.

The scientists believed a homeless animal would be better equipped to endure the harsh conditions of space travel. That’s because these planets are primarily made from gas and have no solid surface.

An curved arrow pointing right. Space is so unfathomably large and so unbelievably weird, that it can sometimes be difficult to convey basic facts. For example, you can fit all of our solar system ...

NASA is preparing to launch its latest space observatory ... Here are five key facts about this groundbreaking mission. One ...