NASA’s Nancy Grace Roman Space Telescope, now scheduled for a September 2026 launch, is designed to attack the dark-energy problem from three directions at once. Its paired survey programs will ...

We may not know what dark matter is, but we keep getting whiffs of it. "We are reaching a point where the observational evidence for dark matter is simply undeniable," said Mayank Sharma, a Virginia ...

The commercial era of space is here, as reusable launch systems have reduced the costs of accessing orbit and make new business models economically viable. The space market could surpass $1 trillion ...