Add Yahoo as a preferred source to see more of our stories on Google. The sun shines above the Earth’s horizon. Perihelion, the point when Earth is closest to the Sun, occurs annually in early January ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a cosmic ray detector, was designed to measure the radiation environment in Earth ...

Earth’s path around the Sun is not a fixed racetrack but a slowly shifting orbit, and those subtle changes have a long history of reshaping the planet’s climate. As astronomers refine how these ...

ESA's Proba-2 satellite captured a stunning 'ring of fire' annular solar eclipse from orbit — a view few on Earth could see.

On January 30 2026, SpaceX filed an application with the US Federal Communications Commission for a megaconstellation of up to one million satellites to power data centres in space. The proposal ...

NORFOLK, Va. — The earth’s journey around the Sun is not a perfect circle. Instead, our planet follows a slightly oval-shaped path called an ellipse, meaning our distance from the Sun changes ...

NASA says Earth is about halfway through its lifespan. Scientists explain how solar changes could affect habitability, oceans, and the planet’s future over billions of years ...

The idea that Mars could affect Earth’s climate sounds dramatic, since climate change is usually linked to cars, factories, forests, and oceans, not distant planets. Yet Earth is part of a solar ...

The reflectors would orbit Earth in a sun-synchronous orbit, which would cause them to circle Earth from pole to pole, perpendicular to the planet's spin. They would be positioned to constantly align ...

The object, the latest “quasi-moon” detected by astronomers, could be with us for almost another 60 years. By Robin George Andrews The Earth stands alone in the solar system as a habitable world, as ...

Another day, another ambitious company emerges to harness the power of the Sun from Earth's orbit. Okay, it's not quite that common an occurrence, but there are indeed a number of firms giving this a ...