Latest articles by Tereza Pultarova
Astronomers catch rare glimpse of oldest known supernova, which dates back to Year 185
A new image taken by a camera designed to study dark matter reveals remnants of an ancient supernova explosion in unprecedented detail.
Powerful solar storm delays SpaceX rocket launch, stalls oil rigs in Canada amid aurora-palooza
A solar storm that swept across Earth on Monday (Feb. 27) forced SpaceX to delay a Starlink launch and temporarily disrupted operations of several Canadian oil rigs.
Intense solar storm supercharges auroras over UK and more (photos)
Powerful solar wind is blowing from the sun these days, setting the sky ablaze with auroras as far south as England's capital London. And more is yet to come.
How many satellites can we safely fit in Earth orbit?
Experts have been sounding alarm bells for years that Earth orbit is getting a bit too crowded. So how many satellites can we actually launch to space before it gets to be too much?
The Milky Way's monster black hole is destroying a mysterious dust cloud
Astronomers are observing the supermassive black hole at the center of our Milky Way galaxy tearing apart a strange dust cloud in real time.
James Webb Space Telescope reveals packed stars in Milky Way's oldest cluster (photos)
The James Webb Space Telescope has looked inside one of the oldest components of our Milky Way galaxy, the Messier 92 globular cluster located some 27,000 light-years away from Earth.
The James Webb Space Telescope discovers enormous distant galaxies that should not exist
The James Webb Space Telescope found massive, mature galaxies inhabiting the universe so soon after the Big Bang that according to current theories they really shouldn't exist.
Green comet seen from space by Artemis 1 moon mission cubesat (video)
A Japanese cubesat launched aboard NASA's Artemis 1 moon mission took a video of Comet C/2022 E3 (ZTF) earlier this month, about two weeks after the ice ball's closest approach to Earth.
Very Large Telescope photographs its lightest ever exoplanet
The Very Large Telescope in Chile took images of its lightest exoplanet yet after data from two European sky-mapping missions indicated something was tugging at the orbit of a distant young star.
6 types of objects that could cause space debris apocalypse
Thousands of satellites and millions of out-of-control space debris fragments hurtle high above our heads, threatening to collide. Here are the objects that experts fear the most.
Rare red auroras explode over northern US and Europe with more on the way (photos)
A stream of solar plasma arrived at Earth last night, triggering rare red aurora displays across Canada, northern U.S. and Europe. And more is on its way.
NASA's heartbeat-detecting tech to help with Turkey earthquake relief effort
NASA-developed technology that can remotely detect the tiniest motions of the body caused by basic processes necessary for life will be used by disaster relief teams in earthquake-stricken Turkey.
Supercharged Valentine's Day auroras give Alaska-based polar lights chaser the night of his life (photos)
Vincent Ledvina was as excited as the particles in the atmosphere over his head when a well-timed solar eruption triggered a night of auroral splendor on Valentine's Day.
New satellite photos show surface cracks from devastating Turkey earthquake
Earth-observation satellites continue to assess the vast damage in Turkey and Syria caused by the devastating series of earthquakes that struck on Feb. 6.
Turkey earthquake opened 190-mile-long fissure, satellite images show
Two enormous cracks in Earth's crust opened near the Turkish-Syrian border after two powerful earthquakes shook the region on Monday (Feb. 6), killing over 20,000 people.
Hurricane-tracking satellites can also keep tabs on harmful microplastics in the ocean
A satellite system designed to track hurricanes can reveal where damaging microplastics accumulate in the ocean. A new study now reveals why.
NASA astronauts could hibernate on deep space missions thanks to arctic squirrels
Researchers are studying hibernating Arctic squirrels in order to harness the benefits of this natural state to protect astronauts on long-duration space missions.
James Webb Space Telescope pushed past its limits to observe DART asteroid crash
The James Webb Space Telescope had to perform outside of its design limits to observe the collision of NASA's DART probe with asteroid moonlet Dimorphos in September last year, NASA has revealed
A dwarf planet beyond Neptune has a mysterious ring that astronomers can't explain
A mini-planet orbiting in the frigid outer reaches of the solar system has a Saturn-like ring of dust and debris that defies the rules of physics, a new study has revealed.
A fleet of gamma-ray burst detecting cubesats could help crack mystery of neutron star mergers
A constellation of tiny satellites could revolutionize the study of the most energetic explosion in the cosmos and help astronomers untangle the mysteries of colliding neutron stars.
James Webb Space Telescope reveals stellar 'clumps' from the most distant universe
The James Webb Space Telescope reveals the earliest stages of galaxy formation in a time when the universe was less than 1 billion years old.
Strange unprecedented vortex spotted around the sun's north pole
A huge filament of solar plasma has broken off the sun's surface and is circling its north pole like a vortex of powerful winds, but scientists have no clue what caused it.
Rare green comet's close approach a once-in-50,000 years feast for astrophotographers (photos)
A rare green comet that hasn't been seen since the time of the Neaderthals made its closest approach to Earth on Feb. 1, and astrophotographers all over the world couldn't peel their eyes off it.
