A Hidden Tatooine-like world has been found. The discovery sheds new light on how planets form and survive in extreme ...

Sky This Week is brought to you in part by Celestron. Friday, December 12Ganymede reappears from occultation behind Jupiter ...

There are already tens of thousands of pieces of large debris in orbit, some of which pose a threat to functional satellites.

Astronomers have discovered a planet beyond the solar system that orbits its twin parent stars closer than any ever seen ...

A building-sized asteroid had a 1-in-32 chance of hitting Earth at its peak, but astronomers soon found there was zero chance ...

Before the ribbon cutting for the solar system walk on the Columbia Greenway Rail Trail on Nov. 29, created by Westfield High School Astronomy Club members Krystyna Goulette and Kaitlyn Goulette — ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Current physics is speeding toward a breaking point, as astronomers confirm that the Hubble tension in new data.

"We might lose the ability to observe about 30% of the faintest galaxies. We are at the point of starting to be able to see ...

After a yearslong series of setbacks, NASA's Escape and Plasma Acceleration and Dynamics Explorers, or ESCAPADE, mission has ...

The Nancy Grace Roman Space Telescope has quietly crossed a threshold that turns a long‑planned mission into a near‑term ...

What’s better – many small space missions, or a few large, sweeping ones? Space scientists are asking this question as they ...