The dwarf galaxy, known as Leo P and about 5.3 million ... That's why scientists refer to the period before as the cosmic "dark ages." Researchers are trying to better understand the processes ...

The "dark universe detective" space telescope Euclid has discovered its first Einstein ring in the process, learning about ...

The new findings could help explain how the early universe's "dark ages" drew to a close and how black holes rapidly grew to possess masses equivalent to millions or billions of suns so long ago.

The Ancient Greek Dark Ages came after the powerful Mycenaean Era. But what actually were the Greek Dark Ages, and how did ...

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space counterparts, to zero in on a dwarf galaxy that bucked the trend, rebooting its ...