Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

The interstellar comet 3I/ATLAS has recently made its closest approach to the Sun and is now heading back out, providing astronomers with several months for observation.

Interstellar comet 3I/ATLAS reaches perihelion hidden from Earth's view. Learn why NASA and ESA spacecraft have a front-row ...

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your ...

This event, known as aphelion, happens once per year typically around two weeks after the summer solstice in June. Although the Earth’s distance from the Sun does not affect the seasons, aphelion does ...

On 29 October 2025, 3I/ATLAS will reach its closest distance to the sun. Should we worry? Here's what experts say.

NOAA's CCOR-1 coronagraph captured the blast that showed the sun's raw power in action.

The so-called supermoon phenomena is set to occur again this week with optimum viewing in North America happening at dusk Thursday. During every 27-day orbit around Earth, the moon reaches both its ...