From a distance, it looks like a serene blue twin of our own world, a dot that could almost pass for Earth in a telescope ...
The planet HD 189733 b was discovered in 2005, as one of many huge gas worlds snuggled tightly against their suns. It ...
Firefly Aerospace's Blue Ghost spacecraft took some unique photos of our home planet on its Mission 1 flight to the moon in late January and early February. The spacecraft is now in orbit around the ...