For the last month and change, you might've seen the headlines about the planetary alignment, or a planetary parade, going on in our solar system. And that's true. In January 2025, Venus, Mars, ...

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 ...

The interstellar comet 3I/ATLAS has just done something no visitor from another star system has ever been caught doing: it ...

A colossal comet from another star is ripping through our solar system right now. Designated 3I/Atlas, this behemoth is up to 20 kilometers wide and traveling at a blistering 240,000 km/h on a one-way ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. An object has been discovered orbiting the sun far beyond ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

There is a growing buzz in the astronomy community about a new object with a hyperbolic trajectory that is moving toward the inner Solar System. Early on Wednesday, the European Space Agency confirmed ...

Not much, unless we're talking about spacecraft. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For the last month and change, you might've seen ...