Scientists discovered a spiral arm break in the Milky Way, lying some 4,000 light-years away, which contains some of the most famous nebulas in the heavens.

Close asteroid pass August 21, 2021. This fast-moving asteroid is designed 2016 AJ193. It's currently rushing inward toward the sun. It will not strike Earth.

NASA's Juno mission to Jupiter is now in its 10th year. To celebrate, the team has released a new infrared image of Jupiter's largest moon Ganymede.

Planets orbiting red dwarf stars could still be habitable despite superflares of intense radiation coming from the stars. It all has to do with the direction the flares are erupting in.

Starship by SpaceX is a 2-stage, fully reusable space transportation system . It'll carry crew and cargo to Earth orbit, the moon, Mars, and beyond.

At a press conference August 11, 2021, planetary scientists released new odds on asteroid Bennu and its potential to strike Earth.

Scientists solved the mystery of Jupiter's energy crisis by learning that auroras roast the upper atmosphere of the gas giant planet.

2021 Perseid photos from this year's favorite summertime meteor shower. Thanks to all who are contributing at EarthSky Community Photos!

A rare nova visible to the eye erupted this week in the direction of the constellation Ophiuchus the Serpent Bearer. Look for it soon!

Researchers suggest that Mars' subsurface lakes beneath the south polar ice cap may not actually be lakes after all. The first presumed lakes were discovered in 2018 and 2020, and now radar images from Mars Express reveal even more. But many of them are in locations too cold for even salty water to stay liquid.