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It will take days to weeks for astronomers to confirm whether or not NASA's asteroid smasher DART changed the orbit of its target, asteroid Dimorphos.
On Monday (Sept. 26) at 7:14 p.m. EDT (2314 GMT), if all goes well, DART will crash into Dimorphos in an attempt to alter the moonlet's trajectory.
Astronomers are using the James Webb Space Telescope to look back in time. How is this possible? It's just the nature of light, according to NASA.
It's rare for spacecraft mission personnel to cheer at the words "loss of signal," but tonight, that's exactly what happened.
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During a media briefing on Thursday (Sept. 22), the DART mission team said they are confident that the craft will smash into the asteroid Dimorphos as planned on Monday (Sept. 26).
NASA will crash a spacecraft into an asteroid on Sept. 26 and you can watch it through telescopes online for free
The Virtual Telescope Project will attempt to show DART's impact through its network of ground-based telescopes.
NASA's DART spacecraft is no more, but its final view is incredible.
An astronaut's photo of Mount Ruapehu, the real-life "Mount Doom" volcano shows the contrast between the hydrothermal lake at its summit and the snow surrounding its peak.
NASA's DART mission, which will slam into an asteroid on Sept. 26, is not just a planetary defense exercise; it's also an opportunity to learn how binary asteroids form.
This marks a rather auspicious week, for we will see Jupiter loom as large and as bright as it ever can get from our earthly vantage point.
Hurricane Ian made landfall on the Gulf Coast of Florida as a dangerous Category 4 storm, which NASA watched live from orbit as it reached the U.S. mainland.
For NASA's DART spacecraft, the drama happens in space, but mission success relies on telescopes back on Earth.
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A Falcon 9 rocket launched 52 of SpaceX's Starlink internet satellites to orbit Saturday evening (Sept. 24) and also aced a landing at sea.
DART may have completed its journey, but the work is only just starting for scientists as they set about learning how much the asteroid Dimorphos was deflected by its impact.
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NASA will slam the DART spacecraft into an asteroid for target practice to get ready for the next big hit, but don't worry: nothing big is set to come at us for the next 100 years.
The iconic 20-sided Dungeons and Dragons die soared close to the 'Astral Plane' to advertise a new space campaign for the role-playing game.
Telescopes here on Earth captured the DART asteroid probe's spectacular deep-space death.
DART truly made a mess last night.