Earth is now closer to the sun than at any other time of the year. Here's why our planet's axial tilt, not proximity to the ...

Perihelion is when Earth is closest to the Sun, happening between January 2 and 4. In 2025, it will occur on January 4 at ...

At 7:28 this morning, the earth reached the point at which it is closest to the sun in its orbit, known as the perihelion.

AB, a 42-foot Near-Earth Asteroid, will pass just 95,200 miles from Earth, providing scientists a unique chance to study it ...

One of the brightest comets in 20 years, Comet 2024 G3 (ATLAS) returns for a close encounter with the sun — but will we be able to see it?

Learn key facts about the Moon: from its significant distance and relative size compared to Earth to its distinctive color ...

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

NASA’s Parker Solar Probe could solve the mysteries of the solar wind and test Einstein’s theory of relativity.

The Quadrantids’ radiant lies in the now-defunct constellation Quadrans Muralis, a region of the sky occupied by Boötes. It’s ...

The love story between Pluto and Charon may have started with a kiss. A new study suggests the dwarf planet and its scarcely smaller moon likely came together in a collision that saw them conjoined ...

The Parker Solar Probe broke its record by flying closer to the sun than ever before, reaching a distance of just 3.8 million ...