It's a moment that's often been depicted in science fiction - but what would actually happen when extraterrestrials make ...
Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and ...
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...
"A high point of our journey [has been] witnessing the entire telescope come together as an aligned system — a moment that ...
(NASA) – A Neptune-sized planet, TOI-3261 b, makes a scorchingly close orbit around its host star. Only the fourth object of its kind ever found, the planet could reveal clues as to how planets such ...