"It's been a case of borrowing from Peter to pay Paul," NASA's Norm Augustine said. "And Peter's about to run out of money to borrow." ...

NASA has harnessed the energy of the Sun to power spacecraft and drive scientific discovery across our solar system. Today, NASA continues to advance solar panel technology and test new innovations.

The European Space Agency (ESA) has released its new Earth Observation Science Strategy, Earth Science in Action for Tomorrow ...

This excerpt describes a fateful meeting 10 years ago at NASA Headquarters in Washington, DC, where the space agency's ...

A Caltech experiment demonstrated space-based solar power’s potential, marking a key step in harnessing orbital renewable ...

In just a few days, Earth is set to get a mysterious visitor from deep space—but it won’t stay long. First spied on August 7 by a telescope in South Africa as it swooped within about a half ...

Astronomers spotted a potential Earth-size rocky world orbiting a white dwarf, suggesting a future in which our planet outlives its star.

NASA and SpaceX are still targeting a Saturday launch for the Crew-9 mission, whose astronauts will head to orbit aboard a Dragon spacecraft that will bring the Starliner crew back to Earth next year.

Instead of rocket fuel, LightSail 2 used photons, demonstrating the viability of solar sailing for future space missions.

Here’s how it works. NASA scientists have released fascinating images of an asteroid that zipped past Earth this week — revealing it to be the shape of a weird tumbling snowman. The asteroid ...

Scientists believe the moon's water, chemistry and energy could ... stronger than Earth's. MORE: Astronomers make rare discovery of star eating up planet When the field spins, NASA reports ...