In late 2024, astronomers spotted asteroid 2024 YR4 on a trajectory that could potentially threaten Earth. This observation ...

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan on seeing ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

Firefly Aerospace's Blue Ghost lander will attempt to use Earth's GPS system from the lunar surface. If successful, this will ...

The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

There was an opportunity Thursday night to catch the March 2025 "Blood Moon," a phenomenon that colors the full moon in ...

A nearly month-long mission is ready to lift off, with preparations being made at the Kennedy Center. To be clear, not NASA's ...

As Venus approaches its inferior conjunction, astrophotographers have snapped some striking shots of the crescent planet ...

Illustration of a stage in the formation of the Earth-moon system. The Earth had recently formed (4,600 million years ago) when it was struck by a large protoplanet, sometimes dubbed Theia ...

Mercury has no moons, and neither does Venus. Mars does have two moons, but they're really just captured asteroids. Earth is the only rocky planet in the solar system with a significant moon.