Green comet sighting: Here's when to see this celestial view unlikely to return for millions of years

This celestial sighting is a bit like space-speed dating. Astronomers only just learned of Comet C/2022 E3's existence, and it will be gone before we know it. Learn how it was discovered and why a naked-eye comet is rare.

Look up: See all 7 planets in the sky through the end of the year

For the most part, all seven planets can be viewed in the dusk sky with the naked eye, but you might want to grab your binoculars just in case.

'Rescue vehicle' may be needed to bring cosmonauts, NASA astronaut home from space

NASA and the Russian Space Agency managers are still working on a plan for how two cosmonauts and a NASA astronaut will return to Earth after their ride home from the International Space Station was damaged.

'Buried treasure': James Webb telescope’s newest images show star at birth

‘It's like finding buried treasure,’ said scientists analyzing new images from the James Webb Space Telescope through different filters.

NASA's most requested photo, the ‘Blue Marble', turns 50

It’s an iconic photo of our home planet: The wispy white clouds and ice caps swirling with the blues and tans of the land and sea – all standing in stark contrast to the blackness of space. But you may not know the full story behind this unique view of Earth.

Full cold moon 2022: When you can see it across America

The "cold moon" will be at its fullest just after 11 p.m. EST Wednesday, and you'll have a little bit more time to gaze at it since daylight saving time ended last month. The event is also known as the 'long night moon' or the 'moon before yule.'

Total lunar eclipse to occur on Tuesday

Totality will last nearly 1 1/2 hours — from 5:16 a.m. to 6:41 a.m. EST — as Earth passes directly between the moon and sun.

‘Planet killer’ asteroids close to Earth discovered hiding in sun’s glare, study finds

Two of the three asteroids that were discovered earned the title of “planet killers” because of their sheer size. If either of them impacted a planet, such as Earth, it would cause a mass extinction event.

Hear and see the 'rare' impacts after large meteoroid hits Mars

Scientists revealed Thursday that two of its Mars robots recorded a sizable quake, leaving a crater bigger than any ever recorded in the solar system.

Direct impact: NASA's DART spacecraft successfully slams into asteroid

The DART mission is humanity's first-ever attempt to change the motion of an asteroid in space by intentionally crashing a spacecraft into it.

Artemis I moon rocket fueling test complete after NASA engineers overcome hydrogen leak

During the test, NASA attempted a "kinder and gentler" approach using lower pressure to fill the 322-foot-tall SLS rocket with thousands of gallons of cryogenic fuel.

NASA's James Webb Space Telescope captures dazzling images of Neptune's rings, moons

NASA's powerful James Webb Space Telescope has released stunning new images of Neptune and its rings, as well as seven of the planet's 14 known moons. Researchers say it's the clearest view of Neptune's rings since the Voyager 2 flyby in 1989.