In 1977, NASA launched the Voyager 1 and its twin probe, Voyager 2, during a rare planetary alignment that occurs only once ...

One fateful day about 4.5 billion years ago, a Mars-sized body called Theia collided with proto-Earth, turning both into a ...

Discover how scientists have used iron isotopes to determine the likely origin of the Mars-sized planet named Theia.

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

About 4.5 billion years ago, the most momentous event in the history of our planet occurred: a huge celestial body called ...

In the current issue of the journal Science, researchers determine the possible composition of Theia. The impactor’s ...

From major volcanic eruptions, to supercharged earthquakes to dedaly wildfires and floods, Earth's systems are going through ...

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

A massive solar storm in May 2024 gave scientists an unprecedented look at how Earth’s protective plasma layer collapses ...