A new scientific theory on solar tide effects has dramatically improved the accuracy of calculating how much faster clocks ...

Even astronomers who study peculiar outer space objects have their favorites. Here are some interstellar bodies that have won ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

The complex dance of two black holes locked in a doomed orbit has been revealed in a first-of-its-kind direct radio image.

Comet Lemmon (C/2025 A6) makes its closest approach to Earth on Oct. 21, about 24 hours after the fainter Comet SWAN (C/2025 ...

For decades, astronomers have been awed by Saturn’s ring beauty. But a tiny, icy wanderer drifting between Saturn and Uranus ...

A recent study by Princeton University astronomers suggests the possible existence of a previously undetected planet in our ...

This year has been remarkable for astronomy enthusiasts, with the upcoming Comet Lemmon (C/2025 A6) set to grace the night ...

A natural satellite is simply a celestial object that orbits a planet or a smaller body. Unlike the ones we build and send up ...

The universe is a vast and often baffling place, and even with our most powerful telescopes, there are still plenty of things ...

Earth's Ediacaran Period, roughly 630 to 540 million years ago, has always been something of a magnetic minefield for ...