'Comet of a decade' to whiz past Earth in likely first visit in 4.5 billion years
While naked-eye comets are rare C/2023 A3 could be among the brightest in a decade.
While naked-eye comets are rare C/2023 A3 could be among the brightest in a decade.
Artemis II set to send humans to orbit the moon in 2024 after historic rocket launch exceeds expectations
Artemis I mission launched on Nov. 16, 2022 and then returned on Dec. 11, 2022. Uncrewed, it tested the Orion spacecraft and the SLS rocket, the most powerful rocket ever used.
Artemis I mission launched on Nov. 16, 2022 and then returned on Dec. 11, 2022. Uncrewed, it tested the Orion spacecraft and the SLS rocket, the most powerful rocket ever used.
Studies confirm NASA can stop asteroids from hitting Earth
University of Maryland researchers were part of a team led by the Johns Hopkins Applied Physics Lab, which played a big part in confirming that DART actually worked.
University of Maryland researchers were part of a team led by the Johns Hopkins Applied Physics Lab, which played a big part in confirming that DART actually worked.
Time zone debate hits the moon; world asks what time is it really on the lunar body?
A joint international effort is underway to set a time zone on the moon. The natural satellite makes a complete orbit around Earth every 27 days, but the moon takes nearly 30 days to complete a full lunar day.
A joint international effort is underway to set a time zone on the moon. The natural satellite makes a complete orbit around Earth every 27 days, but the moon takes nearly 30 days to complete a full lunar day.
Mysterious lights in southeast Wisconsin sky; here's what they were
Spoiler Alert: They were not aliens, UFOs or spy balloons.
Spoiler Alert: They were not aliens, UFOs or spy balloons.
Mysterious lights in southeast Wisconsin sky; here's what they are
Spoiler Alert: They were not aliens, UFOs or spy balloons.
Spoiler Alert: They were not aliens, UFOs or spy balloons.
James Webb telescope finds massive galaxies dating back to beginning of universe
Astronomers have discovered what appear to be massive galaxies dating back to within 600 million years of the Big Bang.
Astronomers have discovered what appear to be massive galaxies dating back to within 600 million years of the Big Bang.
Watch: Green light beam spotted over Hawaii likely came from Chinese satellite, astronomers say
A telescope captured the unusual light beam flashing from left to right across the sky in Hawaii in late January.
A telescope captured the unusual light beam flashing from left to right across the sky in Hawaii in late January.
Webb Space Telescope 'unexpectedly' finds its smallest asteroid yet
Astronomers detected an asteroid around the size of Rome's Colosseum
Astronomers detected an asteroid around the size of Rome's Colosseum
Green Comet E3 will appear near Mars this weekend: Here’s where to look
Skygazers will have another chance to see Comet E3 this weekend as it appears close to the red planet.
Skygazers will have another chance to see Comet E3 this weekend as it appears close to the red planet.
Jupiter's moon count jumps to record-breaking 92, most in the solar system
Astronomers have discovered 12 new moons around Jupiter, putting the total count at a record-breaking 92.
Astronomers have discovered 12 new moons around Jupiter, putting the total count at a record-breaking 92.
Watch: Video shows distant worlds orbiting a star 133 light-years away
While many images of space are artist renderings, this video is based on direct images of a star and its four planets.
While many images of space are artist renderings, this video is based on direct images of a star and its four planets.
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.
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.
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.
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.
‘It's like finding buried treasure,’ said scientists analyzing new images from the James Webb Space Telescope through different filters.
This interactive map tells you everything you didn’t want to know about an asteroid hitting Earth
If an asteroid were to strike New York City, have you ever wondered how many people would be instantly vaporized? Then this morbid, interactive map is for you.
If an asteroid were to strike New York City, have you ever wondered how many people would be instantly vaporized? Then this morbid, interactive map is for you.
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.
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.'
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.'
International Space Station crew gets belated Thanksgiving treats from SpaceX launch
After a weather-related postponement, a SpaceX cargo ship blasted into space this past weekend with an extra special something on board.
After a weather-related postponement, a SpaceX cargo ship blasted into space this past weekend with an extra special something on board.



















