Most places on Earth have seasons because our planet is on a tilt as it orbits the sun. But our star also has its own version ...

An Arjuna asteroid, discovered in August, will become a "mini-moon" event for nearly two months from Sept. 29 to Nov. 25.

In a few billion years, our Sun will become so violently hot that it could wipe out all life in the Milky Way. Yet, ...

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, ...

Recently, astronomers at the Haleakalā Observatory in Hawaii discovered a new "quasi-satellite" of Earth—2025 PN7. This asteroid shares a similar orbit with Earth, and from our perspective, it appears ...

'How planets revolve' is possibly one of the first extraterrestrial phenomena that educators taught students at school. They are told that in this phenomenon, the planets move around the sun in fixed ...

To distinguish an Earth-like planet from its star at a distance of roughly 30 light-years, a space telescope must collect light across about 20 meters. Our largest space observatory, the James Webb ...

The odds of an asteroid recently discovered by scientists hitting the Moon are increasing, and the prospect has astronomers excited instead of alarmed. NASA named the near-Earth asteroid revolving ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. New research suggests that most of the solar system's inner rocky planets once orbited the sun in ...

Every June, the Northern Hemisphere reaches a celestial milestone: the summer solstice. It’s the longest day of the year and the official start of astronomical summer. But what causes this seasonal ...

"We consider this phenomenon as a promising candidate to explain the fact that the solar activity is much more benign than ...

A new rectangular telescope design could finally spot Earth-like planets around nearby stars, bringing the search for alien ...