For over 70 years, astronomers have been scanning for radio or optical signals from other civilizations in the search for extraterrestrial intelligence, called SETI.
Space News & Blog Articles
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What’s the Best Way to Build Landing Pads on the Moon?
In the near future, NASA, the European Space Agency (ESA), China, and Roscosmos all mount crewed missions to the Moon. This will constitute the first time astronauts have walked on the lunar surface since the Apollo Era. But unlike the “Race to the Moon,” the goal of these programs is not to get their first and leave only a few experiments and landers behind (i.e., “footprints and flags” missions) but to establish a sustained human presence on the lunar surface. This means creating habitats on the surface and in orbit that can be used by rotating crews.
Statue of Sally Ride, first American woman in space, to be unveiled at Cradle of Aviation
A statue of the first American woman to fly into space will soon stand near where the first lunar landing spacecraft were built, just as NASA works toward landing the first woman on the moon.
A 'mixed up' sunspot just fired off a huge solar flare
Scientists are keeping an eye on a sunspot that fired off an X-class flare while "having an identity crisis," according to SpaceWeather.com.
This spiral galaxy looks positively royal in vibrant new image
Using a full spectrum of wavelengths, observations of the Messier 66 galaxy shows the distribution of ionized gasses.
Hubble’s law: Why are most galaxies moving away from us?
Hubble’s law tells us that the universe is in a constant state of expansion
S&T Authors Win Science Journalism Awards
Two Sky & Telescope authors have won prestigious awards recognizing excellence in science journalism.
Best lens heaters in {year} and why every astrophotographer should have one
Lens heaters prevent cold and condensation from ruining a night spent shooting the stars. Find out why you need one and which options best suit your kit bag.
Space video games that should be movies or TV shows
As adaptations of sci-fi video games, such as Halo, gain momentum, it might be time to reconsider some franchises with tons of potential.
China launches eight more Earth-imaging microsats
A Long March 2D rocket lifts off with eight Jilin 1 Earth-imaging satellites. Credit: CASC
China launched eight more microsatellites for the Jilin 1 high-resolution Earth observation constellation May 4, five days after a separate mission deployed five similar Jilin 1 payloads into orbit.
Best free sci-fi short movies
Don’t the time or inclination to start in on a new science fiction show? Here are five superb sci-fi shorts that will have you hooked and, even better, they’re free.
Astronaut Jessica Watkins Floats Above the Earth in the Space Station’s Cupola
NASA astronaut Jessica Watkins is seen here floating above Earth in the International Space Station’s cupola, which provides a spectacular viewing spot for those who live and work on the space station.
Watch the Event Horizon Telescope's 'groundbreaking' Milky Way discovery reveal online this week
Science institutions around the world will stream press conferences announcing the discovery; here's your guide to tuning in.
Hubble Space Telescope spots 'grand design' galaxy in stunning new image
The Hubble Space Telescope's Wide Field Camera 3 revealed spectacular details of this spiral galaxy over 42 million light-years away from Earth.
Astronomers discover asteroid treasure trove in old Hubble Space Telescope data
Astronomers have revealed the trails of nearly 1,500 new asteroids hidden in data gathered by NASA's most venerable space telescope.
Mining the moon to help save life on Earth (op-ed)
We can end the current fossil fuel war, by providing abundant resources and clean energy from the moon to Earth, and by moving our toxic industries away from our unique and precious biosphere.
Saddle up marines: The vehicles of Halo
In the Halo games, Master Chief uses a number of vehicles to finish the fight, and the human-made constructs of the UNSC remain the franchise’s most iconic.
Watch live: press conference with Matthias Maurer back on Earth
ESA astronaut Matthias Maurer is back in Europe after 177 days in space. Watch the first press conference following his Cosmic Kiss mission at 11:45 CEST (10:45 BST) 11 May live on ESA Web TV.
China's Tiangong space station receives fresh supplies from new Tianzhou cargo spacecraft
The robotic Tianzhou 4 docked with Tianhe, the core module of China's under-construction Tiangong space station, about 6.5 hours after launching today (May 9).
If There are Dyson Spheres Around White Dwarfs, We Should be Able to Detect Them
Searching for Dyson spheres, rings, or swarms remains a preoccupation of many astronomers. If there are any out there, they will eventually be found, and the person or research team to do so will go down in history for making one of the most momentous discoveries in the history of humanity. If you’re interested in claiming that accolade for yourself, an excellent place to look may be around white dwarfs. At least, that’s the theory put forward in a new paper by Benjamin Zuckerman, a now-retired professor of astrophysics at UCLA.
China Announces Its new Flagship Space Telescope Mission
Artist’s concept of the Chinese Space Station Telescope (CSST). Credit: Jaimito130805, CC BY-SA 4.0
