About 4.5 billion years ago, Earth had a violent neighbor. A young, still-forming planet named Theia slammed into our world with enough force to melt vast portions of its mantle and scatter a huge ...

Earth has picked up a new traveling companion – an asteroid named 2025 PN7 that now moves through space in step with us. This ...

For billions of years, the Moon has been Earth’s steadfast companion, influencing tides, stabilising our planet’s tilt, and shaping the evolution of life. Yet precise laser measurements reveal an ...

Today, Nov. 22, 2025, the moon is 2 days old and is in the Waxing Crescent phase of its lunar cycle. It is 5% illuminated.

Scientists traced the Moon's parent planet Theia to the inner Solar System, solving a 4.5-billion-year mystery.

As part of this move, Duffy asked NASA’s current lunar lander contractors, SpaceX and Blue Origin, for more nimble plans.

China’s path to the Moon is realistic, feasible, and most importantly on track. Their multi-decade history in space means that it not only has the necessary know-how, but it also has what many other ...

With his renomination by President Trump, billionaire private space traveler Jared Isaacman has won the space Game of Thrones ...

The probe flew 3,438 kilometres above Earth during its swing. It moved closer than several high-orbit satellites circling the ...

Key PointsAbout 4.5 billion years ago, a dramatic event transformed the young Earth when a large protoplanet known as Theia struck our planet ...