Starspots in general can last from days to months, and can migrate across the surface of their star. Tracking the behaviour ...

NASA's exoplanet-hunting spacecraft TESS has heard the song a star-quaking red giant sings to its partner black hole.

"We expected to see this effect, but we were still surprised by just how efficient these stars seem to be at engulfing their close planets." Using NASA's Transiting Exoplanet Survey Satellite (TESS), ...

Astronomers have discovered that aging stars may be devouring their closest giant planets as they swell into red giants. Using NASA’s TESS telescope to study nearly half a million stars, scientists ...