An object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never ...

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

"It's possible both were habitable," Weller said. "It shows how easy it is for an Earth-like planet to become like Venus." The "million-dollar question," however, is what initially pushed Venus onto ...

Scientists believe that Venus' oceans boiled away as solar activity intensified, warming the planet as the evaporating water acted as a powerful greenhouse gas. If other potentially habitable desert ...

The data collected could shed light on the mechanisms of stars and the search for habitable worlds. Since its launch in 2018, the probe has used seven flybys of Venus to adjust its trajectory. Its ...

But Mars’ small mass relative to earth and Venus have been a major conundrum ... hold on to its water and ultimately never remain habitable? Mass is the single most fundamental property of ...