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'Space trash' will lead us to intelligent aliens, Harvard astrophysicist Avi Loeb says
By Brandon Specktor published
The long-sought evidence of alien life could be lurking in Earth's oceans, says Harvard astrophysicist Avi Loeb. Here is his plan to find it.
Space photo of the week: Space X's Polaris Dawn astronauts 'touch the void' on 1st-ever private spacewalk
By Tia Ghose published
SpaceX Polaris Dawn astronaut Jared Isaacman briefly "touched the void" as he embarked on the first-ever private spacewalk Thursday (Sept. 12).
The moon might still have active volcanoes, China's Chang'e 5 sample-return probe reveals
By Keith Cooper published
China's Chang'e 5 mission brought back evidence that the moon had erupting volcanoes just 120 million years ago.
Celestron Origin Intelligent Home Observatory review
By Brett Tingley published
Review The Celestron Origin will have you taking crystal clear stunning pictures of deep sky objects in minutes.
Astronauts would have been fine on Boeing's Starliner during landing, NASA says
By Josh Dinner published
With Boeing's Starliner spacecraft is safely back on Earth, NASA says Crew Flight Test astronauts Butch Wilmore and Suni Williams could have returned onboard.
'Exceptional' eclipse image and stunning 'Dolphin Head nebula' among 2024's Astronomy Photographer of the Year winners
By Sascha Pare published
A composite image of an annular solar eclipse showing Baily's Beads won top prize at the 2024 Astronomy Photographer of the Year contest.
'Potentially hazardous' asteroid the size of a skyscraper to skim past Earth on Tuesday
By Ben Turner published
The gigantic asteroid 2024 ON, about the size of a skyscraper, will fly close to Earth next Tuesday, missing our planet by 2.6 times the distance between Earth and the moon.
The Milky Way's supermassive black hole is spinning incredibly fast and at the wrong angle. Scientists may finally know why.
By Ben Turner published
Observations from the Event Horizon Telescope may reveal a secret merger in our supermassive black hole's past, potentially explaining the cosmic monster's unusual spin.
Betelgeuse, Betelgeuse? One of the brightest stars in the sky may actually be 2 stars, study hints
By Deepa Jain published
Betelgeuse, one of the brightest stars in the sky, may have a secret sunlike companion that drives the star’s mysterious six-year-long "heartbeat," new research suggests.
'God of Chaos' asteroid Apophis could still hit Earth in 2029, study hints — but we won't know for 3 more years
By Harry Baker published
New simulations reveal that there is an extremely small chance that the "city-killer" asteroid Apophis could be nudged onto a collision course with Earth by another asteroid before it flies past our planet in 2029.
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