The Universe is mind-bogglingly large and with the latest technology, the search is only just starting to heat up.
Colliding black holes to exploding spacecraft, 2016 was an incredible year for astrophysics.
Kepler-452b's discovery last week has raised the perennial question: are we alone in the universe? While the find's scientific import is huge, it also poses questions that go to the heart of religion.
Given Earth is our sole example of life in the universe, it's hard to know what we're looking for elsewhere in the cosmos.
Why the Breakthrough Listen project is a step in the right direction in our hunt for life beyond Earth.