NASA’s discovery of potential evidence of ancient life on Mars means “our galaxy could be teeming with life,” says a ...

Meet 2025 PN7, Earth’s newest quasi-moon An illustration of the inner solar system, showing the orbits of the planets and the ...

In approximately 5 billion years, the sun will deplete its hydrogen fuel and collapse under its own gravity, becoming a white ...

Our solar system now, once again, officially consists of only eight planets. Although largely debunked, speculation continued ...