Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan on seeing ...

ACT’s final data set delivers the most precise view of the early universe, mapping cosmic expansion and primordial gas ...

The consortium of the European space telescope Euclid has published its first data set. It includes many newly discovered but ...

Scientists using two enormous telescopes — one on Earth and the other in space — have detected oxygen in the most ancient known galaxy, a star-scape beaming light just 300 million years after the Big ...