red dwarf habitability

A Recent Megaflare Shows that Proxima Centauri is not a Nice Place to Live

A new international research effort observed a massive solar flare from Proxima Centauri, which indicates (yet again) that its not…

2 months ago

Even older red dwarf stars are pumping out a surprising amount of deadly radiation at their planets

Most of the potentially habitable exoplanets we've discovered orbit small red dwarf stars. Red dwarfs make up about 75% of…

7 months ago

Beyond “Fermi’s Paradox” X: What is the Firstborn Hypothesis?

In this latest instalment, we explore the possibility that humanity is an early arrival to the Universe, and that intelligent…

9 months ago

Astronomers Thought They’d Found a Red Dwarf That Wasn’t Hostile to its Habitable Zone Planets. They Were Wrong

New research using Hubble archive data shows that GJ 887, the nearby red dwarf star system with two exoplanets, might…

10 months ago

How Did the TRAPPIST-1 Planets Get Their Water?

A new study by an international team of astronomers raises questions about the existence of debris belts around red dwarf…

1 year ago

The Perfect Stars to Search for Life On Their Planets

We tend to think of our Earthly circumstances as normal. A watery, temperate world orbiting a stable yellow star. A…

1 year 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…

1 year ago

Geothermal Heating Could Make Life Possible on the Super Earth Planet at Barnard’s Star

In 2018, scientists announced the discovery of a extrasolar planet orbiting Barnard's star, an M-type (red dwarf) that is just…

2 years ago

Habitable Planets Around Red Dwarf Stars Might not get Enough Photons to Support Plant Life

A new study shows that planets orbiting red dwarf stars may not get enough radiation to support photosynthesis.

2 years ago

Bad News. Planets Orbiting Red Dwarfs Might not have the Raw Materials for Life

New research from the Hubble Space Telescope and the ESO's Very Large Telescope is dampening some of the enthusiasm in…

2 years ago