A couple months back, astronomers officially confirmed the existence of “Betelbuddy,” Betelgeuse’s long-suspected companion star. Since then, researchers have been toiling away at characterizing ...

Is there anything more dramatic than an exploding star? More than just extraordinarily bright, energetic events that can ...

A class of University of Texas astronomy students has discovered that nearby dwarf galaxy Segue-1 seems to host a ...

As the collapsed core of a massive star, a neutron star is a small but incredibly dense object, packing up to three times the ...

Here's where Comet 3I/ATLAS, Lemmon and SWAN are in the Halloween sky.

Richard Fishacre challenged the scientific orthodoxy of his day, and contemporary astrophysics has vindicated his position.

Learn how exoplanets are discovered, what makes planets beyond our solar system unique, and how they drive the ongoing search ...

B, seen around 800 million years after the universe was formed, is the first we have seen consistent with being composed of ...

The James Webb and Very Large telescopes spotted a free-floating planet accreting material at a record rate, displaying ...

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

When it comes to finding baby, still-forming planets around young stars, the Atacama Large Millimeter/submillimeter Array ...

Astronomers may be closer than ever to solving one of cosmology’s biggest mysteries: what the universe’s very first stars ...