Space infrastructure isn’t just rockets and space stations—it’s learning how to hold position in space in ways normal orbits ...

Why does hydrogen require a specific amount of energy to remove its electron? ⚛️ This video explains the Bohr model by deriving the ionization energy of hydrogen, connecting classical mechanics, ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

"Stars like the sun don’t just stop shining for no reason." ...

New research suggests another connection, one between these two asteroids and a possible Venusian meteor shower. If this is ...

Astronomers have long searched for life within a rather narrow ring around a star, the "habitable zone," where a planet ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

Astronomers watched a distant star dim for months and found a metal-rich cloud that may be the aftermath of a massive ...

That would make it thousands of times more massive than any moon orbiting a solar system plane  — so massive it could make ...

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction.

Thousands of satellites are tightly packed into low Earth orbit, and the overcrowding is only growing. Scientists have ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...