Earth is now closer to the sun than at any other time of the year. Here's why our planet's axial tilt, not proximity to the ...

When one of the poles points more toward the Sun than the other pole, that half of the planet gets more sunlight than the other half, and it’s summer in that hemisphere. When that pole tilts away from ...

Behold, the giants! The Hubble Space Telescope has completed a decade of observing Jupiter, Saturn, Uranus and Neptune.

Perihelion is when Earth is closest to the Sun, happening between January 2 and 4. In 2025, it will occur on January 4 at ...

At 7:28 this morning, the earth reached the point at which it is closest to the sun in its orbit, known as the perihelion.

Earth will reach its closest point to the Sun, an astronomical event called Perihelion Day. This annual occurrence happens every January and offers a fascinatin ...

The fact that Earth is at perihelion has little to do with the seasons. The difference in solar radiation received by our ...

The winter solstice marks the beginning of winter and the shortest day of the year for the Northern Hemisphere. Here's a ...

Though the winter solstice brings the shortest day of the year, it also signals the gradual return of light to the Northern Hemisphere.

Space junk has filled up so much of Earth's orbit that it's endangering satellites and astronauts. The company Kayhan Space issues roughly 1,000 space-collision warnings per day. Earth-orbit ...

As the Earth travels around the sun, it does so at an angle. For most of the year, the Earth’s axis is tilted either toward ...

which varies depending on the shape of Earth's orbit around the sun, its tilt on its axis and the solar cycle, Zee said. When Earth's orbit around the sun is more circular, temperatures tend to be ...