Astronomers are once again questioning whether our solar system is complete. Subtle gravitational effects suggest something large may be hiding far beyond the known planets. It hasn’t been directly ...

Only the third interstellar object recorded as visiting our solar system, 3I/ATLAS will be closest to the Earth on 19 ...

Scientists have discovered that our entire solar system is racing through the Milky Way far faster than current models ...

By tracking tiny stellar wobbles, astronomers have detected planets forming around young stars for the first time.

You can't generate solar power at night unless your panels are in space. A startup that wants to beam orbital sunlight straight into existing solar farms has just emerged from stealth, claiming a ...

Avi Loeb discusses new radio observations, motion data, and size estimates for interstellar object 3I/ATLAS, outlining limits, uncertainties, and future observations ...

NASA spacecraft Parker Solar Probe and Europa Clipper observed interstellar comet 3I/ATLAS before its close approach to Earth. Scientists are studying the data as the comet heads toward Jupiter in 202 ...

Astronomers probed interstellar comet 3I/ATLAS for alien technosignatures, tracing nine 'mysterious' signals back to human ...

The Terra Hunting Experiment will track the wobbles of dozens of stars nightly for years in the most focused hunt yet for an ...

Astronomers have been treated to a stunning fireworks display from around a young star called The events, detected in 2004 ...

This third confirmed interstellar comet to enter our neighborhood has captivated astronomers and sparked debate within the scientific community. NASA ...

From the creators of XCOM's Long War mod, Terra Invicta bridges the gap between civilization on Earth and the vast interstellar empires of other space strategy games.