Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

At the ragged frontier where the Sun’s influence gives way to interstellar space, Voyager 1 has stumbled into something that ...

Voyager 1 and 2 traveled billions of miles to reach the heliopause, showing how the Sun's magnetic influence marks the ...

Summary: Time doesn’t flow uniformly across the solar system, and new research reveals just how differently it unfolds on Mars compared with Earth. By tracing subtle gravitational and orbital ...

Approximately 4.5 billion years ago, a cold cloud of gas and dust buried deep in one of the Milky Way galaxy’s spiral arms started to collapse. From there, gravity worked its magic. The cloud began to ...

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

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