and other extraterrestrial civilizations
X-ray emissions disappeared and then came back again due to changes in the environment, a study suggests. A black hole might have reversed its magnetic field right before our eyes. The story begins with a galaxy known as 1ES 1927+654, which briefly ceased X-ray emissions...
As the search for life in the universe continues, scientists already know it’s not enough to find rocky planets in a star’s habitable zone, the region where a planet can host liquid water, a requirement for life as we know it. That’s just the starting...
The gaping sunspots promise to send solar flares our way. Two immense swarms of sunspots have popped into view on the surface of the sun, hinting at the increased possibilities of vivid auroras and potentially damaging solar flares over the months to come. Some of...
An international team of astronomers has observed and identified a new type of stellar explosion — a micronova. Using the European Southern Observatory’s (ESO) Very Large Telescope (VLT), the researchers witnessed never-before-seen small thermonuclear explosions on white dwarf stars that lasted only a matter of...
The meteorite sizzled rocks some 36 million years ago. It’s confirmed: The hottest rock ever discovered in Earth’s crust really was super-hot. The rock, a fist-sized piece of black glass, was discovered in 2011 and first reported in 2017, when scientists wrote that it had...
About 1,500 flames were ignited on the International Space Station in five years to learn how fire behaves in microgravity Similar to the cult 1981 prehistoric fantasy film, NASA is on its own “Quest for Fire” to better understand how flames work in space. The...
Perseverance’s search for Mars life might strike gold here. NASA’s life-hunting Perseverance Mars rover just reached a big mission milestone. Perseverance has arrived safely at the remains of an ancient Red Planet river delta on the floor of the 28-mile-wide (45 kilometers) Jezero Crater, NASA...
Skywatchers will finally be able to enjoy the thrill of observing “shooting stars” again this week as the April Lyrids meteor shower arrives after a three-month-long meteor drought. For those who enjoy watching the night sky for the sight of meteors, popularly referred to as...
Will auroras follow? Aurora watchers, it’s your lucky month. For the second time in days, the sun hurled a large, X-class flare at Earth overnight Tuesday (April 19) and Wednesday (April 20), reportedly causing radio blackouts in Australia, the Western Pacific and eastern Asia. SpaceWeather.com...
The meteorite sizzled rocks some 36 million years ago. It’s confirmed: The hottest rock ever discovered in Earth’s crust really was super-hot. The rock, a fist-sized piece of black glass, was discovered in 2011 and first reported in 2017, when scientists wrote that it had...
Creators of mankind
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About hostile civilizations
The war for the Earth
“Tall white aliens” about eternal life
Video: “Nordic aliens”
Aliens
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Underground civilization
Ancient alien artifacts
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