A solar eclipse recorded in ancient China more than 2,700 years ago is helping scientists refine measurements of Earth’s rotation and investigate the Sun’s past behavior.

Scientists have uncovered evidence that our Sun may have traveled across the Milky Way as part of a massive migration of ...

In late 2025 a mysterious comet flew between the orbits of Earth and Mars and reached a speed of more than 150,000 miles per hour during its closest approach to the sun. The rare interstellar guest to ...

Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.

WASHINGTON — An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European ...

A closer look at the planets around a star called LHS 1903 may just flip our understanding of how planetary systems form. Reading time 3 minutes Astronomers have discovered a star system that’s out of ...

The city is demanding about $20 million in penalties and restitution from Radiant Solar, the largest sum it has ever sought from a home improvement contractor. By Andy Newman Arthur Klein first ...

Every once in a while, the outer solar system reminds us that we've only discovered a negligible portion of it, and that the vast majority is still full of surprises. The latest example of this is a ...

Astronomers have seen the aftermath of two planetary pile-ups in the same turbulent star system — providing potential insights into how planets form 1. Observations from the early 2000s indicated that ...

In 2025 — for the first year ever — solar arrays provided more electricity to Texas’ main power grid than coal-fired power plants. Solar farms contributed 67,800 gigawatt-hours of electricity from ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

This year, astronomers discovered more than 100 previously unknown moons in our own solar system. There may be many more yet to be discovered, and cataloguing them could help us better understand how ...