Latest articles by Tereza Pultarova
SpaceX wants to put 1 million AI satellites in orbit. What would that do to Earth's climate?
Operating a million or more data centers in space would mean a massive increase in air pollution from rocket launches and concentrations of toxic ash from reentering satellites.
Starlink satellites: Facts, tracking and impact on astronomy
Reference Starlink satellites have been developed by SpaceX to provide internet to remote locations. Here we explore the controversial megaconstellation in more detail.
Private companies could ruin the night sky for the entire world, and international law can't stop them
The U.S. Federal Communications Commission (FCC) can single-handedly approve space projects that will change the night sky around the world. The international community can do very little against it.
An artificial 'Saturn's ring' of satellites could soon fill the sky, astronomers warn
A bright Saturn's ring of satellites will encircle Earth if plans to launch a million orbiting data centers and tens of thousands of space mirrors will come to pass.
Every SpaceX Starlink satellite has to dodge a collision almost weekly, and experts fear the worst
SpaceX's Starlink satellites made over 355,000 collision avoidance maneuvers over the past year with each satellite now dodging other objects almost weekly.
Space junk debris cloud discovered in high-traffic orbit 'is a potential minefield' for the costliest satellites
"The debris in geosynchronous orbit is a potential minefield."
Your lost dog can now call home with the world's 1st satellite-connected dog collar
A new dog collar with GPS tracking enabled by SpaceX's Starlink direct-to-mobile network promises connectivity from almost anywhere.
Shoebox-sized 'detector satellites' could sniff out a nuclear bomb in space
A constellation of cubesats fitted with special detectors could sniff out nuclear weapons hidden on satellites launched by adversary nations, a new study suggests.
'This is the future of spatial intelligence': Vantor unveils stunning 3D satellite views of Earth (photos)
The American Earth-observation company Vantor is now mapping Earth from space in 3D, and the images are stunning.
'Acceleration without fuel:' Revolutionary superconducting device harnesses Earth's magnetic field to move a spacecraft
A superconducting-magnet device that could someday propel spacecraft using just the power of the sun has completed its first orbital tests.
The growing number of satellites in orbit could soon make telescopes obsolete. 'For astronomy, this would obviously be catastrophic'
If the number of satellites in Earth's orbit exceeds 100,000, humanity may lose its ability to study the universe from the planet's surface. Some companies want to put millions into space.
'It's quite a bit more than we expected': Satellite reveals immense scale of GPS signal tampering
For the first time, an experimental satellite has mapped the scale of GPS jamming across Europe and the Middle East from space.
SpaceX Starlink and other satellite megaconstellations are creating an 'unregulated geoengineering experiment', scientists say
The space industry's plans to launch millions of satellites worry scientists as the rise in high-altitude air pollution threatens to alter Earth's climate.
'Like putting a microscope into the core of the sun': World's 1st space-based neutrino detector launches to orbit
The world's first space-based neutrino detector launched to space this month to study elusive neutrino particles that constantly bombard Earth.
Spaceflight is hard on the heart, yet artificial ones grow better in space than on Earth
The human heart shrivels away in space, but researchers have found that mini-hearts grown from human stem cells sprout in space significantly faster than in labs on Earth.
AI sped up James Webb Space Telescope data analysis from years to days. What can it do for the groundbreaking Rubin Observatory?
AI algorithms can sharpen naturally blurry images taken by ground-based telescopes, revealing details otherwise visible only to space-borne machines like Webb and Hubble.
Solar wind travels up to 4 times faster than expected, eclipse spacecraft reveals
"In the inner corona, a region very difficult to observe, we saw slow solar wind gusts moving three to four times faster than expected."
Crew of tiny worms readies for April 11 launch to International Space Station
A crew of tiny worms will spend six months aboard the International Space Station, helping researchers better understand how long-term spaceflight affects human astronauts.
Light pollution has brightened Earth by 16% since 2014, satellites find
Artificial lights at night brightened up planet Earth by 16% from 2014 to 2022, a new study using satellite images has found.
Can humans have babies in space? It may be harder than expected
Sperm struggles to find its way to an egg in microgravity, suggesting mammalian reproduction in space may not be possible.
'This is really intolerable': Astronomers protest giant orbiting mirror project and SpaceX's million AI satellites
Proposed constellations of orbiting mirrors and data centers would completely destroy the night sky as humanity has known it for millions of years, experts say.
An AI cyberattack could trigger a satellite apocalypse in the next 2 years. Are we prepared?
AI could soon be able to hijack satellites and cause them to collide with other spacecraft, triggering a cascade that could render Earth orbit unsafe.
SpaceX plan for 1 million orbiting AI data centers could ruin astronomy, scientists say
SpaceX's plan to launch one million orbiting data centers to space worries astronomers, who say the satellite streaks caused by the proposed constellation would severely impair observations.
