New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...

The risk of impact is likely to drop to zero as observations of Asteroid 2024 YR4 continue.

As we discussed last month, late January and early February will provide a stage for a Planet Parade, with six planets lining up in the night sky. On February 1, we should see the crescent moon in ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...

A suspected planet that appears well-suited to life has had its existence confirmed – and it’s very much in our neighborhood, ...

With nearly 6,000 people working in 80 nations to address biodiversity & climate crises, TNC experts are collaborating to scale the highest-impact work around the world.

Scientists have confirmed the discovery of a new planet which is six times as large as the Earth and could host alien life.

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to glimpse all seven in one sweeping view. Planets Venus (top ...

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...