A new class of supermassive black holes embedded in a thick gas shell could explain small red dots in images from the James ...

An international team led by the University of Geneva (UNIGE), including scientists from the National Center of Competence in ...

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

Pfalzner's models show that interstellar objects — bodies ejected from other star systems — could be captured by these planet ...

Extremely active sunspot AR3664 blasted a major X8.7-class solar flare. The sunspot was behind the incredible geomagnetic ...

The mystery of the James Webb Space Telescope's "little red dots" could be solved if they are not ancient galaxies but are ...

A team of Pennsylvania State University researchers has a unique take on mysterious red dots first observed by the James Webb ...

A new study challenges the dream of water-rich “Hycean” planets like K2-18b, suggesting that most sub-Neptunes lose their water deep into their interiors during formation. Instead of vast oceans, ...

At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

A new program has discovered chaos in a nearby planetary system, which could explain the existence of a phenomenon ...