Stars

Life can Thrive Around Even the Smallest Stars

By simulating the light of small stars, we now know life can survive on planets orbiting them.

1 week ago

Just 2,000 Years Ago, Betelgeuse Was Yellow, Not Red

Compared to the lifespan of stars, human lives are pretty short. Stars such as Betelgeuse (in Orion) live for millions…

3 weeks ago

R136 is the Most Massive Star Astronomers Have Ever Found. We Just got Some new Images of it

Meet R136a1, the most massive star known. Located in the Large Magellanic Cloud, it's a hulking behemoth weighing somewhere between…

2 months ago

In Wildly Different Environments, Stars End Up Roughly the Same

When you look at a region of the sky where stars are born, you see a cloud of gas and…

2 months ago

Why Betelgeuse Dimmed

Using data from Hubble and other observatories, a team of scientists have determine the cause of Betelgeuse's dimming - old…

2 months ago

When Stars eat Their Planets, the Carnage can be Seen Billions of Years Later

Lithium is the key to determining whether a star has eaten a planet.

2 months ago

A Fast-Moving Star is Colliding With Interstellar gas, Creating a Spectacular bow Shock

A star speeding through gas and dust has much to teach us about interstellar dynamics.

2 months ago

Astronomers Have a New Way to Find Exoplanets in Cataclysmic Binary Systems

Have you heard of LU Camelopardalis, QZ Serpentis, V1007 Herculis and BK Lyncis? No, they're not members of a boy…

2 months ago

A Dormant Black Hole has Been Discovered Just Outside the Milky Way

What happens when a massive star dies? Conventional wisdom (and observational evidence) say that it can collapse to form a…

2 months ago

One Star Flies Past the Milky Way’s Black Hole at 3% the Speed of Light

There's a population of stars in the heart of our galaxy whipping around Sagittarius A* (the Milky Way's central supermassive…

3 months ago