The farther away we look, the closer in time we’re seeing towards the Big Bang. The latest record-holder for quasars comes from a time when the Universe was just 690 million years old. These ultra-distant cosmological probes also show us a Universe that contains dark matter and dark energy, but many questions remain unanswered at the scientific frontiers. (Credit: Robin Dienel/Carnegie Institution for Science)
The information we have in the Universe is finite and limited, but our curiosity and wonder is forever insatiable. And always will be.
For hundreds of thousands of years — nearly all of human history — we had no definitive answers to some of the biggest existential questions we…