Astronomy

Dark Stars: The First Stars in the Universe Could Have Been Powered by Annihilating Dark Matter

Dark matter doesn’t really do much of anything in the present-day universe. But in the early days of the cosmos…

2 years ago

Compare Sand Dunes Across the Solar System, From Venus to Pluto

A new study explains how bodies as different as Venus, Earth, Mars, Pluto, Titan, and Triton can all have sand…

2 years ago

Could we Detect Dark Matter’s Annihilation Within Globular Clusters?

A team of astronomers studied two nearby globular clusters, 47 Tucanae and Omega Centauri, searching for signals produced by annihilating…

2 years ago

Civilizations Don’t Even Need Space Ships to Migrate From Star System to Star System

In about 5 billion years, the Sun will leave the main sequence and become a red giant. It'll expand and…

2 years ago

Planets in Binary Systems Could be Habitable, But They’d Form Differently

Most of the stars in the Milky Way are single stars. But between one-third and one-half of them are binary…

2 years ago

A new Quantum Technique Could Enable Telescopes the Size of Planet Earth

A new technique that incorporates quantum techniques to interferometry could trigger another revolution in astronomy!

3 years ago

The Building Blocks for Supermassive Black Holes are Found in Dwarf Galaxies

We all know that a humongous black hole exists at the center of our galaxy. It's called Sagittarius A* (Sgr…

3 years ago

“Wind-Ruffled Waves, Foam and Wave Shadows, Above Natural Blue Seawater.” This is how we’ll Spot Exoplanets With Oceans

Our planet's oceans generate tell-tale light signatures when sunlight reflects off them. Exoplanets with significant ocean coverage may do the…

3 years ago

Solar Orbiter’s Pictures of the Sun are Every Bit as Dramatic as You Were Hoping

On March 26th, the ESA's Solar Orbiter made its closest approach to the Sun so far. It ventured inside Mercury's…

3 years ago

Update on the Potential May 31st tau Herculid Meteor Storm

If skies are clear, be sure to watch for a potential meteor outburst early next Tuesday morning.

3 years ago