Sagittarius A*: How did scientists photograph the black hole at the heart of the Milky Way?

Black holes are completely dark since not even light can escape their gravity. But they are surrounded by clouds of gas, which can be used to infer images.

Chris Impey, The Conversation

· May 14, 2022 · 07:30 pm

Stephen Hawking warned against contacting aliens. Scientists are doing it anyway

Blasting out Earth’s location with the hope of reaching aliens is a controversial idea.

Chris Impey, The Conversation

· May 03, 2022 · 11:30 pm

With a new telescope, humans will soon get to look back in time at the Dark Ages of the universe

The most powerful space telescope ever built, Nasa’s James Webb Space Telescope, is set to usher in the next era of astronomy.

Chris Impey, The Conversation

· Oct 18, 2021 · 07:30 pm