Latest articles by Tereza Pultarova
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.
Spectacular fireball over Europe sends meteorite crashing through roof of German home
A meteorite has crashed through the roof of a house after thousands observed a stunning fireball streak across the sky in western Europe.
The world's 1st private space telescope just spotted its 1st star. Here's what it saw.
The world's first commercial space telescope has released its first image as it begins its journey to help track nearby stars that might host habitable exoplanets.
The sun hasn't looked like this since 2022, what's going on?
The sun's visible disk has been perfectly free from sunspots for the first time since June 2022, suggesting the current solar cycle might be heading toward its quieter phase.
Scientists measure air pollution from reentering SpaceX rocket in real-time: 'It's never been done before'
For the first time ever, scientists have observed in near real time a cloud of air pollution created as a SpaceX rocket burned up in Earth's atmosphere.
UK government proposes 30% budget cut to astronomy and physics research: 'It's pretty disastrous'
The UK government is to slash by 30 percent its funding for astronomy, particle and nuclear physics in a move branded as disastrous for the field and likely to affect a generation of researchers.
Astronomers relieved as industrial plant threatening Earth's darkest sky gets cancelled
A light-polluting green hydrogen plant project that would seriously affect one of the world's most important astronomical observatories has been scrapped by the company behind it.
Amazon's internet-beaming satellites are bright enough to disrupt astronomical research, study finds
The satellites in Amazon's new internet-beaming megaconstellation in low Earth orbit are bright enough to disrupt astronomical research, a study has found.
Earthquake sensors can track space junk that crashes back to Earth
Earthquake sensors can detect sonic booms generated by reentering space debris to help track the potentially dangerous objects in near real time.
Cyberthieves hit European Space Agency, stealing hundreds of gigabytes of data
A recent string of cyberattacks against the European Space Agency is just the tip of the iceberg, a researcher said, claiming that email credentials of ESA employees are regularly leaked online.
Perihelion: What is it and when does it occur?
Reference Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around (peri) the sun (helios).
This company is taking $1 million reservations for hotel rooms on the moon
A California-based start-up wants to open a hotel on the moon by 2032 and is now accepting bookings for the out-of-this world travel experience.
Will budget cuts force NASA to withdraw from Europe's next Venus mission?
"We are in constant contact with NASA."
'A completely new manufacturing frontier': Space Forge fires up 1st commercial semiconductor factory in space
Such experiments have previously only been conducted aboard the International Space Station.
Satellites reveal heat leaking from largest US cryptocurrency mining center
Bitcoin-mining mega data center seen leaking heat into the environment in an image captured from orbit by a thermometer satellite
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.
'Crash Clock' reveals how soon satellite collisions would occur after a severe solar storm — and it's pretty scary
Satellites would likely begin colliding with each other or space junk in less than three days if they were to lose the ability to maneuver, for example due to an intense solar storm.
An industrial project in Chile threatens Earth's darkest sky. 28 leading astronomers signed an open letter urging to move it
"We might lose the ability to observe about 30% of the faintest galaxies. We are at the point of starting to be able to see details of exoplanet atmospheres, but if the sky gets brighter, we may not be able to see those details anymore."
