articles

Astronomy

MAVEN is finding out how Mars lost its atmosphere

Atmospheric ions detected by the spacecraft are telling us why they’ve been escaping.

How ancient observations could prevent a global blackout

Ancient eyewitness accounts of aurorae may help us predict the next solar storm.

Your space weather forecast: Proxima B

Weird weather could help astronomers understand the stellar phenomenon behind it.

See our galaxy as it was billions of years ago

Observing galaxies billions of light-years away is like looking through a portal at the birth of our own.

Found: lost planet

An unexpected computer error has brought a new exoplanet out of hiding.

This new technology could find E.T.

If E.T. is phoning home, how do we phone E.T.? Researchers at Caltech’s or ET Lab—Exoplanet Technology Laboratory—may have the answer.

Weird signals from space may be stranger than sci-fi

Could fast radio bursts be powering alien starships? These scientists seem to think so.  

Undead astro-photos are being reanimated—by you

With Astronomy Rewind, you could be in on the next big cosmic discovery.

This space oddity is science, not fiction

CFBDSIR 2149-0403 may not be a flying saucer, scientists are baffled as to whether it is a planet or a star. 

Saturn's moon Titan could turn life upside down
Mar 18, 2017

The presence of prebiotic organic compounds on Titan is slowly changing scientists’ idea of where life could possibly survive.

Why stardust is magical for astronomy
Mar 16, 2017

Science outshines magic when cosmic dust reveals secrets of the early universe.

These star clusters could rewrite astronomy
Mar 13, 2017

Star clusters were thought to be made up only of orbs around the same age … until now.

TRAPPIST-1's eternal sunset hides deadly X-ray emissions
Mar 11, 2017

While it doesn't seem to get much light, the TRAPPIST-1 system basks in potentially planet-destroying X-ray emissions.

Can black hole belching teach us about galactic evolution?
Mar 7, 2017

What supermassive black holes spew could tell us more about galactic evolution.

We now have a better idea of how planets are born
Mar 3, 2017

Astronomers think they've found the answer to how space dust can mature into a massive planet.