Artemis II sends humans around the moon for first time since Apollo
Artemis II is underway, carrying four astronauts around the moon on a 10-day mission to test systems for later lunar flights and an eventual moon
Author: Nikk Ogasa
A comet may have flipped its spin and entered into a death spiral
Gases jetting out of Comet 41P/Tuttle-Giacobini-Kresák may have caused it to reverse its spin in 2017, possibly leading to its eventual destruction.
NASA races to have the first moon base and nuclear-propulsion spacecraft
A $20 billion plan for a moon base by 2030 and the launch nuclear-propulsion space exploration raises hopes, but caution given deep government cuts.
Extreme heat is cutting the time people can safely be active outdoors
Heat and humidity now severely limit light physical activity for millions of people around the world, with older adults facing the greatest burden.