If there are alien civilizations in the Universe, some of them could be super advanced. So advanced that they can rip apart planets and create vast shells surrounding a star to capture all its energy. These Dyson spheres should be detectable by modern telescopes. Occasionally astronomers find an object that resembles such an alien megastructure, but so far, they’ve all turned out to be natural objects. As best we can tell, there are no Dyson spheres out there.
Space News & Blog Articles
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Which is better, Black Friday or Cyber Monday?
What is the difference between these two shopping sales events, and which is best, Black Friday or Cyber Monday? Read on to find out.
Satellites watch devastating floods in Spain from space (photos)
Valencia was particularly hard-hit.
'Stargate' 30 years later: Roland Emmerich's flawed sci-fi classic remains a refreshing watch
Three decades later, Stargate's legacy has endured. We look back at how it all started, what came after, and the franchise's possible future.
X-class Halloween solar flare erupts from sun, causes radio blackouts (video)
The sun erupted with an X-class solar flare on Halloween, and solar activity is expected to remain high through Nov. 3.
Can we solve the satellite air pollution problem? Here are 4 possible fixes
New technologies including recoverable satellites and in-orbit space debris recycling could help solve the satellite air pollution problem and prevent a new ecological crisis in the future.
NASA astronaut Suni Williams sends Happy Diwali wishes from ISS (video)
As millions of people around the world celebrate Diwali, the Hindu festival of lights, NASA astronaut Sunita Williams radioed home her share of festive cheer.
'Interstellar' fireballs likely came from within our solar system, study suggests
The imprecision in the measurements of claimed interstellar fireballs means it is highly likely they originate in the solar system instead, a new study reports.
Week in images: 28 October - 01 November 2024
Week in images: 28 October - 01 November 2024
Join the Space Resources Challenge
The Space Resources Challenge was launched last week, an opportunity for innovators to pioneer the technologies that will help humankind live and work sustainably on the Moon.
Earth from Space: Ross Island, Antarctica
Image: The icy landscape of Ross Island in Antarctica is featured in this Copernicus Sentinel-2 image from 3 February 2024, during the austral summer.
Space is closer than you think: apply now to the ESA Student Internship Programme
The 2025 ESA internship opportunities are now live! Positions are open in a wide range of fields, including engineering, science, IT, natural and social sciences, business, economics, and administrative services. This is your chance to launch your career in the extraordinary world of space exploration—don't miss out on this incredible opportunity to gain hands-on experience with one of the world’s leading space organisations!
Advanced space tech for disaster response with Smart-Connect
When disaster strikes, maintaining communication is critical. Yet, terrestrial (ground) networks are often compromised, leaving civilians stranded and first responders without access to vital information. Limited bandwidth can severely delay crisis management efforts, potentially costing lives. Recent events around the world, including devastating floods and wildfires, underscore the increasing relevance and urgency for advanced disaster response technology.
This is What it Sounds Like When the Earth’s Poles Flip
Is there something strange and alien confined deep inside the Earth? Is it trying to break free and escape into the heavens? No, of course not.
Orbital Debris is Getting Out of Control
In 1978, NASA scientists Donald J. Kessler and Burton G. Cour-Palais proposed a scenario where the density of objects in Low Earth Orbit (LEO) would be high enough that collisions between objects would cause a cascade effect. In short, these collisions would create debris that would result in more collisions, more debris, and so on. This came to be known as the Kessler Syndrome, something astronomers, scientists, and space environmentalists have feared for many decades. In recent years, and with the deployment of more satellites than ever, the warning signs have become undeniable.
Boeing can recover from its Starliner troubles, but it can’t afford any other misfires
The partial failure of Starliner’s mission doesn’t help Boeing’s effort to bounce back from its problems. The company’s reputation has not been irreparably damaged, however. Boeing can recover and is taking the right initiatives to re-emphasise a safety culture – something that’s crucial to its business going forward.
Earth sure looks spooky in these 'hyperspectral' images from Europe's Hera asteroid probe
These strange shots of Earth are a Halloween treat.
Webb Reveals a Steam World Planet Orbiting a Red Dwarf
The JWST has found an exoplanet unlike any other. This unique world has an atmosphere almost entirely composed of water vapour. Astronomers have theorized about these types of planets, but this is the first observational confirmation.
India targets 2028 for Chandrayaan-4 sample-return mission to moon's south pole
India is eyeing a 2028 launch for its Chandrayaan-4 moon sample-return mission, followed by an uncrewed lunar lander and rover in collaboration with Japan.
NASA Wants to Move Heavy Cargo on the Moon
While new rockets and human missions to the Moon are in the press, NASA is quietly thinking through the nuts and bolts of a long-term presence on the Moon. They have already released two white papers about the lunar logistics they’ll require in the future and are now requesting proposals from companies to supply some serious cargo transportation. But this isn’t just for space transport; NASA is also looking for ground transportation on the Moon that can move cargo weighing as much as 2,000 to 6,000 kg (4,400 to 13,000 pounds.)
Stare into the 'blood-soaked eyes' of 2 spooky galaxies in new Hubble, JWST images (video)
Two of the world's most powerful space telescopes have spied a spooky pair of galaxies in deep space, staring out like a pair of "blood-soaked" eyes just in time for Halloween.
