Astronomers discovered a close companion star orbiting red giant π¹ Gruis, challenging stellar evolution models and revealing ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

All motion is relative. That simple fact makes tracking the motion of distant objects outside our galaxy particularly ...

Meet HD 98800, a nearby quadruple‑star system in the constellation Crater. It sits about 150 light‑years away and is 10 million years old.

In a surprising twist to our understanding of exoplanetary systems, astronomers have uncovered three Earth-sized planets ...

Close companions can influence stellar evolution in many ways. While some companions can be detected around young stellar ...

NASA found what looked like a planet, but its behavior was bizarre. Turns out, Einstein saw it coming, 88 years ago.

Scientists have identified three Earth-sized planets orbiting two stars in the TOI-2267 system. Remarkably, planets transit ...