Ancient Greek astronomer Aristarchus was the first who presented the heliocentric system, maintaining that the Earth revolves around the Sun.

Would you guess that the Earth is spinning at 1,000 mph around its axis and at the same time hurtling through space on its ...

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, ...

Copernicus proved the Earth and other planets orbit the sun, challenging centuries of belief and risking persecution for sharing his heliocentric view.

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 ...

Fareed talks to historian William Dalrymple, author of a new book about the debt the world owes to ancient India, which was ...

WASHINGTON — The summer solstice, the official start of summer, is on Friday, June 20. For those north of the equator, the solstice marks the longest day and the shortest night of the year. The Earth ...

As the Earth does one orbit around the sun, so do the quasi-satellites. So they seem to be always around, even though they are not bound. Not being bound doesn’t mean that they do not feel the tug of ...

WASHINGTON — The summer solstice, the official start of summer, is on Friday, June 20. For those north of the equator, the solstice marks the longest day and the shortest night of the year. The Earth ...

As historian William Dalrymple puts it, the story of civilisation itself cannot be told without India, a land that once ...