solar systems

These Newly-Discovered Planets are Doomed

Astronomers have spied three more exoplanets. But the discovery might not last long. Each planet is in a separate solar…

7 months ago

Even Really Massive Stars Seem to Have Planets

Can planets form around massive, hot stars? Some astronomers think they can't. According to the evidence, planets around stars exceeding…

8 months ago

Exoplanetary System Found With 6 Worlds in Orbital Resonance

200 light-years away from Earth, there's a K-type main-sequence star named TOI (TESS Object of Interest) 178. When Adrian Leleu,…

2 years ago

Planets Don’t Wait for Their Star to Form First

It looks like we may have to update our theories on how stars and planets form in new solar systems.…

2 years ago

There Could Be Carbon-Rich Exoplanets Made Of Diamonds

Scientists are getting better at understanding exoplanets. We now know that they're plentiful, and that they can even orbit dead…

2 years ago

Europa’s entire icy shell shifted 70-degrees a few million years ago

The mysterious world Europa, the ice-covered second moon of Jupiter, sports deep scars that cut across its face. An international…

2 years ago

Another Collection of Newly Forming Planetary Systems. This Time from the Gemini Planet Imager

Over the next decade, several very powerful telescopes will come online. Observing time on these 'scopes will be in high…

2 years ago

Planets Form in Just a Few Hundred Thousand Years

Astronomers like to observe young planets forming in circumstellar debris disks, the rotating rings of material around young stars. But…

2 years ago

The Orbit of Uranus. How Long is a Year on Uranus?

A year on Uranus lasts almost as long as a century on Earth. And because of its extreme tilt, its…

5 years ago

Weekly Space Hangout – Jan. 29, 2016: Largest Solar System, Future Missions, and Remembering Our Lost Astronauts

Host: Fraser Cain (@fcain) Guests: Carolyn Collins Petersen (thespacewriter.com / space.about.com / @spacewriter ) Morgan Rehnberg (cosmicchatter.org / @MorganRehnberg )…

7 years ago