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Can aliens around nearby stars detect us?
A new study looked at whether aliens around nearby stars could detect the radio signals from Earth's cell phone towers. Learn what they found here.
May 4, 2023
Add EarthSky to the home screen on your phone!
Add EarthSky to the home screen on your phone for easy access to our stories and night sky information. Here's how to do it!
May 3, 2023
Goodbye, Rock Friend! Mars rover loses pet rock
Fans react as the Perseverance Mars rover loses its pet rock, Rock Friend, this week after more than a year together. Thanks for the ride, NASA!
April 22, 2023
UFO hearing in Senate: New videos but no hard evidence
The Senate held a new congressional UFO hearing on April 19, 2023. It focused on the Pentagon's program AARO but also revealed interesting new videos and data.
April 22, 2023
Historic Starship launch, success. Explosive finale!
The SpaceX Starship launched successfully on Thursday, April 20. Details here, plus a place to rewatch the broadcast stream.
April 21, 2023
NASA unveils Mars habitat on Earth for a yearlong test
On April 11, 2023, NASA unveiled its test Mars habitat where four volunteers will spend a year. This is a trial for astronauts who may visit Mars in the future.
April 16, 2023
Midnight SpaceX launch was a success. Falcon 9 returned to pad
Success for the midnight SpaceX launch on April 14-15, 2023. The launch - from California - was expected to be visible from San Francisco to Los Angeles.
April 15, 2023
$25K reward offered for meteorite from daylight fireball
A museum is offering a $25,000 reward for a piece of a meteorite that fell on April 8, 2023 on the US-Canada border.
April 14, 2023
Most populous country? India (probably) as of April 2023
India is overtaking China as the world's most populous country. Both currently have around 1.4 billion people. India may take the title sometime in April 2023.
April 11, 2023
Indian rocket launch completes OneWeb satellite constellation
The Indian Space Research Organization (ISRO) successfully launched 36 satellites for the OneWeb internet constellation on March 26, 2023.
March 27, 2023
