Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study.

Telescope observations show that frequent radiation from the exoplanet's star, a 7 billion-year-old red dwarf about the size ...

these "temperamental" stars often give clues about their planet's size and atmosphere. However, new research has found that the variability of these stars could be affecting data more than ...