New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed predicted by standard cosmology. Using highly sensitive data from multiple ...

Around 4.4 million years ago—long before humans existed—two massive, blazing-hot stars swept past our solar system. They didn ...

Voyager 1 and 2 traveled billions of miles to reach the heliopause, showing how the Sun's magnetic influence marks the boundary of our solar system.

About 4.5 million years ago, a great cosmic dog kicked past our Solar System – and its effects may still be seen today.

While most scientists believe it’s a natural comet, one Harvard astronomer has suggested its unusual features could hint at signs of alien technology. On 1 July 2025, astronomers using the ATLAS ...

Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, an enormous, donut-shaped region of icy objects beyond Neptune.

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though ...

The Solar System is more than just planets; it is home to a dazzling variety of moons, each with its own unique charm. Some are icy and serene, others are stormy or volcanic. Among the many satellites ...

When a meteor flashes across the night sky, it’s more than a beautiful streak of light. It’s a delivery from deep space—an ...

Meteorites are like a time machine and spacecraft all in one. Discover how our scientists use rare specimens in the meteorite ...