In our own solar system, there are pretty good odds that you could stand on the surface of an asteroid and not even be able ...

The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought experiment to it, highlighting everything about it that might align with a hypothetical alien spacecraft.

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

The Solar System might not be as quiet and orderly as we think. Imagine one day looking up and seeing something strange in the sky, a small speck that grows larger and larger. Soon, it becomes clear: ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.

Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...