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What makes brown dwarfs so weird

Meet the brown dwarf: bigger than a planet, and smaller than a star. A category of its own, it’s one of the strangest objects...

Violent volcanism reveals the moon is older than we thought

New research suggests the moon is much older than previous estimates, with a history marked by intense volcanic activity that melted its crust multiple...

Astronomers discover new class of cosmic X-ray sources

A team of astronomers has discovered a new class of cosmic X-ray sources, called "millinovae," in nearby galaxies. This breakthrough was led by researchers from...

Jupiter’s moon Io doesn’t have a shallow ocean of magma

Jupiter’s moon Io is the most volcanically active body in the Solar System, with roughly 400 active volcanoes regularly ejecting magma into space. This activity...

Dead stars reveal secrets of extreme gravity and dark matter

Scientists have confirmed a long-predicted but elusive effect in dying stars called white dwarfs: hotter white dwarfs are slightly puffier than cooler ones, even...

The mysterious case of the resurrected star

The star HD 65907 is not what it appears to be. It’s a star that looks young, but on closer inspection is actually much,...

Zwicky classifies more than 10,000 exploding stars

Even if you knew nothing about astronomy, you’d understand that exploding stars are forceful and consequential events. How could they not be? Supernovae play a...

One of the most interesting exoplanets just got even more interesting!

Since the discovery of the first exoplanet in 1992, thousands more have been discovered. 40 light years away, one such system of exoplanets was...

How we could find advanced civilizations that ran out of fusion fuel

When it comes to our modern society and the many crises we face, there is little doubt that fusion power is the way of...

We might finally know how galaxies grow so large

Astronomers have spent decades trying to understand how galaxies grow so large. One piece of the puzzle is spheroids, also known as galactic bulges. Spiral...