An artist’s impression of a black hole, which is formed when very massive stars collapse at the end of their life cycle (ESA / Hubble, Digitized Sky Survey / Nick Risinger / N Bartmann / Durham University) The largest known black hole in the Milky Way, excluding the supermassive black hole at the center of … Read more
NASA astronaut Loral O’Hara was prepared for her first spacewalk, but not for the view. O’Hara, along with SpaceX Crew-7 NASA astronaut Jasmin Moghbeli, performed the fourth all-female spacewalk at the International Space Station (ISS) on November 1, 2023. They spent 6 hours and 42 minutes performing maintenance on the station, such as replacing a … Read more
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. NASA is looking for innovative methods that could help retrieve samples collected by the Perseverance rover on Mars in the future. The rover, which landed on Mars in February 2021, collected specimens from the Jezero … Read more
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. NASA is looking for innovative methods that could help retrieve samples collected by the Perseverance rover on Mars in the future. The rover, which landed on Mars in February 2021, collected specimens from the Jezero … Read more
Getty Images Claim: Dangerous cosmic rays will pass by Earth tonight, causing harm to those who leave nearby personal devices turned on. Judgement: Rating: false As the total solar eclipse of April 8, 2024 approached, Snopes’ inbox began to fill with the familiar claim that “tonight” cosmic rays would pass close to Earth, endangering those … Read more
For years, small groups of astronomy enthusiasts have traveled the world in search of the rare solar eclipse. They’ve embarked on cruises to the middle of the ocean, taken flights into the path of the solar eclipse, and even traveled to Antarctica. In August 2017, millions of people in the US witnessed a total solar … Read more
The magnificence of a solar eclipse is unique to our world; Nowhere else in the solar system does a planet’s moon block the sun’s light so perfectly. The rapid and transient darkness of these events affects many things on Earth, including animal behavior and waves in the ionosphere. Researchers have now found that cumulus cloud … Read more
The environmental impacts of spaceflight are becoming increasingly apparent as more and more spacecraft are launched into Earth’s orbit. The growing number of satellites burning up in Earth’s atmosphere has worried scientists for years, and now a new paper explores how the emerging shell of “conductive dust” around the planet, resulting from satellite re-entry, could … Read more
A simulated image of a satellite collision and the resulting debris.ESA / ID&Sense / ONiRiXEL, CC BY-SA 3.0 IGO NASA’s TIMED satellite narrowly avoided a collision with the dead Russian spacecraft Cosmos 2221 this week. At its worst, the collision would have thrown 7,500 pieces of debris into low Earth orbit. Satellite collisions are becoming … Read more