"Unlike any objects we know, these filaments really surprised us. Since then, we have been pondering what they are." ...

When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...

The moon, the Milky Way, Saturn, Venus, Jupiter Mars, Neptune, Uranus and comet C/2024 G3 are all visible at once in breathtaking new photos from the European Southern Observatory.