red dwarf

Finding Atmospheres on Red Dwarf Planets Will Take Hundreds of Hours of Webb Time

The JWST is enormously powerful. One of the reasons it was launched is to examine exoplanet atmospheres to determine their…

1 month ago

A Super-Earth (and Possible Earth-Sized) Exoplanet Found in the Habitable Zone

Astronomers have found a new Super-Earth orbiting an M-dwarf (red dwarf) star about 137 light-years away. The planet is named…

3 months ago

Another Explanation for K2-18b? A Gas-Rich Mini-Neptune with No Habitable Surface

Exoplanet K2-18b is garnering a lot of attention. James Webb Space Telescope spectroscopy shows it has carbon and methane in…

3 months ago

Worlds Bustling With Plantlife Should Shine in a Detectable Wavelength of Infrared

Future historians might look back on this time and call it the 'exoplanet age.' We've found over 5,000 exoplanets, and…

1 year ago

Would Mars be More Habitable if it Orbited a Red Dwarf?

A NASA-supported study by an international multi-disciplinary team has shown what Mars would be like if it orbited a red…

2 years ago

TESS Finds a New Mars-Sized Planet (With the Density of Mercury)

Some planets orbit their stars so closely that they have extremely high surface temperatures and extremely rapid orbits. Most of…

2 years ago

LOFAR Sees Strange Radio Signals Hinting at Hidden Exoplanets

LOFAR sees ‘exoplanet aurorae’ near distant red dwarf suns.

3 years ago

TESS Finds its First Earth-Sized World in the Habitable Zone of a Star

NASA's TESS (Transiting Exoplanet Survey Satellite) has found its first Earth-sized planet located in the habitable zone of its host…

4 years ago

Astronomers Catch a Superflare From a Puny Star

Astronomers recently spied a massive flare on a tiny diminutive star, a powerful, radiation spewing event that you wouldn't want…

5 years ago

A Red Dwarf Blasts off a Superflare. Any Life on its Planets Would Have a Very Bad Day

Astronomers observed a red dwarf superflare much more powerful than anything our Sun can produce. Bad news for any habitable-zone…

6 years ago