Every January, Earth reaches its closest point to the Sun, known as perihelion. Yet, it’s winter in the Northern Hemisphere.

P erihelion – or the Earth's closest approach to our host star – will take place on January 3, 2026. At this point, our ...

Earth’s orbit around the Sun isn’t a perfect circle—it’s slightly elliptical. Each year, around July 2 or 3, Earth reaches its farthest point from the Sun, known as aphelion. Around January 2 or 3, ...

Though we sum up a day as 24 hours and a year as 365 days, Earth's rotational and orbital speeds aren't exactly consistent. Instead, both fluctuate, swayed by atmospheric drag, tidal forces, changes ...

The Northern Hemisphere is tilting away from the sun and will reach the point of maximum tilt in the coming week meaning the ...

Earth is not a still point in space, but a planet hurtling through the cosmos at incredible speeds. This video breaks down the complex layers of our motion: the 66,000 mph orbit around the sun, the ...

Right now, as a passenger on planet Earth, you’re zooming through space at incredible speeds. But why can't you feel it?

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 ...

The idea that Mars could affect Earth’s climate sounds dramatic, since climate change is usually linked to cars, factories, ...