Science

Astronomers Find the Hollowed-Out Shell of a Dwarf Galaxy that Collided With the Milky Way Billions of Years Ago

In 2005 astronomers found a dense grouping of stars in the Virgo constellation. It looked like a star cluster, except…

4 hours ago

What Would a Realistic Space Battle Look Like?

Science fiction space movies can do a poor job of educating people about space. In the movies, hot-shot pilots direct…

2 days ago

Wow, Betelgeuse Might Be 25% Closer than Previously Believed

In the last year, Betelgeuse has experienced two episodes of dimming. Normally, it's one of the ten brightest stars in…

3 days ago

Here’s a Clever Idea, Looking for the Shadows of Trees On Exoplanets to Detect Multicellular Life

That's the kind of headline that can leave us scratching our heads. How can you see tree shadows on other…

2 weeks ago

Machine Learning Software is Now Doing the Exhausting Task of Counting Craters On Mars

Does the life of an astronomer or planetary scientists seem exciting? Sitting in an observatory, sipping warm cocoa, with high-tech…

3 weeks ago

Chitin Could be the Perfect Building Material on Mars

It's hard to deny that we're heading for a future with a human presence on Mars. But to develop sustained…

1 month ago

Earth’s Oxygen Could be Making the Moon Rust

It takes oxygen to make iron rust. So when scientists discovered hematite spread widely through lunar high latitudes, they were…

1 month ago

Nancy Roman Telescope’s Primary 2.4-Meter Mirror is Ready

The Nancy Roman Telescope has reached another milestone in its development. NASA has announced that the space telescope's primary mirror…

2 months ago

A Huge Ring-Like Structure on Ganymede Might be the Result of an Enormous Impact

Ganymede's surface is a bit of a puzzle for planetary scientists. About two-thirds of its surface is covered in lighter…

2 months ago

There’s One Cloud on Mars That’s Over 1800 km Long

Mars' massive cloud is back. Every year during Mars' summer solstice, a cloud of water ice forms on the leeward…

3 months ago