According to NASA, asteroids are inactive bodies made of all the rocky, dusty and metallic materials left behind from the ...

However, we might also want to look for hints of alien origin. One very strong piece of evidence would be any kind of radio ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

The space rock came as close as within 4.15 million miles from our planet, according to NASA's Jet Propulsion Laboratory.

It is true that crewed missions to the moon are expensive, difficult, and dangerous. And we now have a long history going back decades of reliable, dependable, capable robotic exploration, including ...

Paul Wiegert, a Western physics and astronomy professor, shares insights on asteroid 2024 YR4 and the likelihood it will hit Earth or the Moon.

In a recent episode of SETI Live, Communications Specialist Beth Johnson spoke with Ian Pamerleau, lead author of a new study ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our understanding of how planets take shape — not only in our solar system, but ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a ...

Astronomers witness first moments of planet formation as rock grains crystallize around distant star HOPS-315.