outer space

Sagittarius A*: Up Close and Personal With a Gravitational Beast

The Future of Cooperation in Space Is Splitting Along Lines of Power on Earth

New Moral Issues: What Happens When Someone Dies in Space?

Space Subjects That Will Get the World’s Attention in 2019 and Beyond

From Volcanoes on Mars to Scarps on Mercury – How Places on Other Worlds Get Their Names

As we enter the realm of megastructures – those of 1,000 km or more in dimension – maintaining safety and structural integrity has become a fiendish challenge. Credits: Reuters

What Would It Take to Build a Tower as High as Outer Space?

NASA Rover ‘Opportunity’ Threatened by Massive Dust Storm on Mars