Proxima Centauri

A third possible planet for Proxima Centauri, the closest star to the Sun!

New planet would be small and hot.

By Phil Plait | 

1 year ago

Bummer, that extraterrestrial signal from Proxima Centauri wasn’t aliens

Remember that strange signal from Proxima Centauri everyone thought was an extraterrestrial technosignature?

By Elizabeth Rayne | 

1 year ago

How Proxima Centauri’s mega-flare could change our minds about star tantrums and aliens

By Elizabeth Rayne | 

1 year ago

Sunscreen anyone? Proxima Centauri just spit out its biggest solar flare ever

By Jeff Spry | 

1 year ago

A signal from Proxima? Likely intelligent, unlikely from aliens

By Phil Plait | 

2 years ago

New Horizons probe delivers first-ever parallax images of interstellar space

By Jeff Spry | 

2 years ago

Is this an actual image of a planet orbiting the nearest star? Maaaaaaaybe.

By Phil Plait | 

2 years ago

A *second* possible planet for Proxima Centauri!

By Phil Plait | 

2 years ago

Without warp drives, how long will it take Pioneer and Voyager probes to reach alien star systems?

By Elizabeth Rayne | 

3 years ago

Vacuuming up the dust — and sterilizing a planet — around Proxima Centauri

By Phil Plait | 

5 years ago