The moon's elliptical orbit brings it 14% closer to Earth, creating a spectacular supermoon that's 30% brighter than normal.
Spend 8 minutes with an image that has changed astronomy forever - the first-ever deep field view of galaxy cluster SMACS ...
Scientists have discovered that dark matter, the universe's most mysterious "stuff," obeys gravity on vast cosmological scales. This could help to dismiss the possibility of a fifth fundamental force ...
The McDonald Observatory director Taft Armandroff of The University of Texas at Austin will lead the next phase of ...
Dr. Massey’s tenure guided the Giant Magellan Telescope through key design and construction milestones, helped secure nearly ...