The small, icy visitor now racing away from the inner solar system is not just another comet. It is an interstellar object, ...

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, ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

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 ...

Earlier this month astronomers were thrilled to discover only the third known interstellar object ever seen in our solar system. Now dubbed 3I/ATLAS, the suspected comet has just zoomed past the orbit ...

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 ...

Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Our solar system has been around for 4.6 billion years. While that sounds like a long time, it's ...

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 ...