Credit: Wikimedia Commons, CC BY 4.0 Seleucus of Seleucia was a Hellenistic astronomer, mathematician, and physicist from Seleucia on the Tigris who is best known for his staunch defense of the ...

Seen here is the young, bright Aristarchus crater on the Moon about the size of a large city. The 40 kilometers diameter Aristarchus crater, as seen by Credit: NASA Lunar Reconnaissance Orbiter (LRO) ...

In fact, all craters with bright ejecta (Tycho, Aristarchus, etc.) are part of the Copernican period, the lunar time period starting from the formation of crater Copernicus about 800 million years ago ...

Don't blame me for the clickbait heading. Capitalizing on Dubya Bush's 2002 State of the Union address in which he singled ...