First its rotation slowed between March and May 2017, taking 46 hours to complete a spin where it had once taken only 20 hours. This occurred as the comet neared its closest point to the sun, roughly ...

Several planets will line up shortly after sunset, on February 28, during a planetary alignment. Six planets will be visible during this event, and four of the planets will be ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the ...

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

Forty years ago, Voyager 2 flew past Uranus and observed radiation levels that defied explanation. Now, scientists may ...

A recent study points to an exciting possibility: that Uranus's moon Miranda, located in the far reaches of our solar system, may harbor a hidden ocean and life.

The Allende meteorite, which fell in 1969, has provided groundbreaking insights into the formation of the solar system and ...

For life to develop on a planet, certain chemical elements are needed in sufficient quantities. Phosphorus and nitrogen are ...

Last year, astronomers were fascinated by a runaway asteroid passing through our Solar System from somewhere far beyond. It was moving at around 68 kilometres per second, just over double Earth&rsquo ...

NASA's infrared telescope SPHEREx captured stunning images of interstellar comet 3I/ATLAS as it exited the solar system.

A new candidate exoplanet appears to almost uncanny similarities to Earth — but may differ in at least one major way.

The transit method involves using an observatory like Kepler to 'stare' at a star and wait for its light to dim as a ...