Explore astronomy, NASA missions, planets, galaxies, the Moon, the Solar System and discoveries that expand our understanding of the universe.
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There are theories that in the 1990s, the Soviet Union discovered about 20,000 pyramid-shaped ancient city ruins on Venus, which appeared to have been abandoned long ago.
An upcoming NASA telescope could discover more than 400 lonely Earth-sized planets wandering the Milky Way.
If the Earth were the size of a marble, the Sun would be the size of a yoga ball, and the largest star in the universe has a diameter that would be hard to believe.
Jupiter's atmosphere is divided into four layers: the troposphere, stratosphere, thermosphere, and exosphere. Each layer has its own function and role in Jupiter's activ…
In fact, the practice of paying for planet names has never been recognized.
The twin spacecraft Voyager 1 and Voyager 2 continue to explore the universe 45 years after launching from Earth and 22 light hours away from the planet.
Scientists have discovered the most powerful cosmic rays ever recorded, likely originating from mysterious sources relatively close to Earth.
The 646-gram meteorite once left us, flew out into space, and somehow ended its extraordinary journey on Earth.
Although it is the largest object in the Solar System, the Sun is only average in size compared to the rest of the stars in the Milky Way galaxy.
Hidden in the Large Magellanic Cloud, a nebula just outside the Milky Way, lies what may be the largest known star in the entire universe.
Currently, humans have not been able to build any spacecraft capable of taking us close to a Black Hole. If we ignore this detail, time travel is completely possible usi…
Here is a list of the most unusual and rare natural phenomena we will see this century as predicted by astronomers.
The image captured by James Webb shows two galaxies slowly blending in a mist of stars and gas, like a penguin hugging an egg to protect it.
In the constellation Serpent, a bright object has just been captured by the James Webb Space Telescope, allowing Earthlings to see it with their own eyes.
Our Earth may one day have no Moon.