space-astronomy

Will Apophis destroy Earth? No current evidence indicates so. Apophis is a near-Earth asteroid closely monitored by planetary defense networks, and while it will make several no...

Venus is Earth’s closest planetary neighbor and the third-brightest object in the sky after the Sun and Moon. Because its orbit lies inside Earth’s orbit, Venus never strays...

Mars comes close to Earth during parts of its orbit roughly every 26 months, around the time of opposition when Earth sits between Mars and the Sun. Because both planets follow...

The star closest to the Moon tonight is not fixed; it changes night by night as the Moon orbits Earth. On any given date, the nearest star is whichever celestial neighbor happen...

Blue blobs are compact, blue-hued astronomical objects that appear as distinct, blob-like structures in images from telescopes and observatories. They are not a single kind of o...

The next solar eclipse in the United States begins with a partial eclipse visible across most of the country on October 14, 2024, followed by a total solar eclipse on April 8, 2...

The next solar eclipse in the United States will be an annular eclipse on October 14, 2023, with the next total solar eclipse on April 8, 2024. Both events are widely accessible...

On 20–21 January 2019, a total lunar eclipse produced a so-called blood red moon visible from much of the Americas, Europe, and Africa. This event was a routine celestial alig...

The Delta Aquariids and Alpha Capricornids are reliable annual meteor showers that together offer several dozen meteors per hour at peak under good conditions. The Delta Aquarii...

In October 2025, sky watchers may have opportunities to see comets, depending on the objects that remain bright enough and close enough to Earth near that time. This overview ex...