Every January, Earth reaches its closest point to the Sun, known as perihelion. Yet, it’s winter in the Northern Hemisphere.

Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter. It’s ...

P erihelion – or the Earth's closest approach to our host star – will take place on January 3, 2026. At this point, our ...

The James Webb Space Telescope has been helping scientists explore the cosmos for years now, but there are still plenty of ...

Hidden star found orbiting a bloated red giant, Pi1 Gruis, offering a rare glimpse into how close companions shape dying ...

Is there a full moon tonight? Here's when to watch January's special wolf moon - a supermoon that will shine for days amid ...

NASA is monitoring a bus-sized asteroid that is speeding towards the Earth at more than 22,600 miles per hour, according to ...

The combination of the elliptical orbit, affecting the speed of the planet, and the axial tilt, causing the length of ...

The Parker Solar Probe has now traced the sun’s outer frontier in unprecedented detail, turning a once-theoretical boundary into a mapped region of real, measured structure. By skimming through the ...

Far from our solar system, astronomers have finally watched a star consume one of its own planets, catching in real time a ...

As the interstellar comet 3I/ATLAS sweeps through the inner solar system, it has become a magnet for both scientific ...

Earth is often described as a circle or an oval, but it is neither. As the planet spins more than 1,000 miles per hour at the ...