A planet swings in front of its star, dimming the starlight we see. Events like these, called transits, provide us with ...

Climate change will fundamentally challenge the world's urban centers. Three cities — San Diego, Milan and Jakarta — offer ...

For observers in India, Neptune will be visible throughout most of the night on September 20-21, rising in the east just as ...

The ring would have gradually fallen to Earth as meteorites, correlating to a spike of impacts seen in the geological record.

What is a brown dwarf star? These formations often defy classification, blurring the line between planets and stars.

Earth will have a second “mini-moon” in addition to its regular lunar companion for about two months starting on Sept. 29, ...

Microbes, after all, play enormously consequential roles in the world around us and within us—I should credit the trillions ...

India's interest in Venus goes beyond national prestige. Studying Venus offers a unique opportunity to understand Earth’s ...

Researchers have identified 12 ancestral plant species from an early Eocene fossil assemblage in Tasmania that once formed part of a giant, circumpolar forest.

China set to unveil long-term vision for space science The Chinese Academy of Sciences is aiming to accelerate its progress ...

A temporary “mini-moon” will whirl around Earth for about two months as our planet’s gravity captures a small asteroid in its orbit.

A small asteroid, 2024 PT5, will become a mini-moon orbiting Earth from September 29 to November 25. This temporary celestial ...