With the rapid expansion of commercial space, there is a growing number of satellites in orbit around our planet. Most of these are in low-Earth orbit, which is becoming increasingly crowded. This has led some to be concerned about a catastrophic rise of space debris, as well as a growing frustration by astronomers due to the number of satellite sky trails.
Space News & Blog Articles
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Our expanding universe: Age, history & other facts
The universe was born with the Big Bang as an unimaginably hot, dense point. SPACE.com offers an overview of the universe and its history, age and structure.
Best asteroid movies, ranked
Brace for impact, as we look at the best asteroid movies of all time.
What really makes a planet habitable? Our assumptions may be wrong
How common are ice-covered planets like Hoth from "Star Wars," and might they be capable of hosting life? As usual, the answer is, it depends.
Ariane 6 central core reaches Europe’s Spaceport
The central core of ESA’s new generation Ariane 6 launch vehicle has arrived in French Guiana from Europe. This enables combined tests at Europe’s Spaceport where Ariane 6 parts will come together on the launch pad for the first time.
How is metal 3D printing transforming space travel?
Metal 3D printing can produce the most intricate rocket parts, using combustion-resistant material
Ash from Tonga volcano reaches record altitude but climate cooling unlikely
The volcanic eruption that destroyed a Polynesian island on Saturday injected ash into record altitude but won't cause any disruption to Earth's climate, experts said.
A huge asteroid flies will fly safely by Earth today. Here's how to watch it live.
You can watch a nearly mile-wide asteroid make its closest Earth approach for the next 200 years today. Here's how.
Astronomers propose building a neutrino telescope — out of the Pacific Ocean
The Pacific Ocean Neutrino Experiment would turn a massive swath of the Pacific Ocean into nature's own neutrino detector.
Chilly, damp Mars may have hosted an ancient ocean
Three billion years ago, the dusty planet we know today was a very different world.
HTC VR headsets are on sale in the UK until the end of January
Save up to £250 on some of the best VR headsets on the market right now.
ESA Director General's Annual Press Conference
Video: 01:47:29
Exciting launches to the Moon and to the Red Planet, a second mission to the International Space Station for ESA astronaut Samantha Cristoforetti, the very first images provided by the James Webb Space Telescope, and a new class of European astronauts: 2022 looks very promising for European space!
Astronaut selection: stage one complete
The next stage of ESA’s astronaut selection is underway, with around 1391 applicants invited to a full day of testing at a facility in Europe.
Steady driving towards ExoMars launch
The first simulation of the ExoMars Rosalind Franklin rover driving off its landing platform closed out an incredible year of preparations as the mission now marches with confidence towards a September launch.
First Chinese space mission of 2022 rockets into orbit
A Chinese Long March 2D rocket lifts off with the Shiyan 13 satellite. Credit: CASC
China launched a Long March 2D rocket Monday with another classified satellite, deploying the spacecraft into a polar orbit on the first of more than 40 Chinese Long March rocket missions planned in 2022.
Remember When Life was Found in a Martian Meteorite? Turns out, it was Just Geology
The Alan Hills meteorite is a part of history to Mars aficionados. It came from Mars and meteorite hunters discovered in Antarctica in 1984. Scientists think it’s one of the oldest chunks of rock to come from Mars and make it to Earth.
A Moon Might Have Been Found Orbiting an Exoplanet
In the past three decades, the field of extrasolar planet studies has advanced by leaps and bounds. To date, 4,903 extrasolar planets have been confirmed in 3,677 planetary systems, with another 8,414 candidates awaiting confirmation. The diverse nature of these planets, ranging from Super-Jupiters and Super-Earths to Mini-Neptunes and Water Worlds, has raised many questions about the nature of planet formation and evolution. A rather important question is the role and commonality of natural satellites, aka. “exomoons.”
A Star Passed too Close and Tore Out a Chunk of a Protoplanetary Disk
When it comes to observing protoplanetary disks, the Atacama Large Millimetre/sub-millimetre Array (ALMA) is probably the champion. ALMA was the first telescope to peer inside the almost inscrutable protoplanetary disks surrounding young stars and watch planets forming. ALMA advanced our understanding of the planet-forming process, though our knowledge of the entire process is still in its infancy.
Look Up and Watch Asteroid 1994 PC1 Fly Past Earth This Week
This week’s apparition of asteroid 1994 PC1 offers observers a chance to see a space rock moving in real time.
Live coverage: SpaceX plans prime time launch of Falcon 9 rocket Monday night
Live coverage of the countdown and launch of a SpaceX Falcon 9 rocket from pad 39A at NASA’s Kennedy Space Center in Florida. The mission will launch SpaceX’s next batch of 49 Starlink broadband satellites. Text updates will appear automatically below. Follow us on Twitter.
Striking satellite photo captures Mount Vesuvius peering through a hole in the clouds
A satellite image captured by Landsat 8 shows Mount Vesuvius "peering" through an eerily circular hole in the clouds.
