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An artist's illustration of a United Airlines supersonic transport built by Boom Supersonic.

United Airlines wants planes from Boom Supersonic to fly passengers faster than the speed of sound

By Elizabeth Howell

United Airlines plans to add faster speeds to its passenger airliner fleet, with the help of Boom Supersonic.

Scientists just detected an earthquake from a balloon and might be able to do it on Venus, too

By Meghan Bartels

Researchers have detected an earthquake using instruments flying in a balloon above California, and the technology could one day detect quakes on Venus.

Spaceflight

The USA TODAY Network's first NFT (non-fungible token) features a mosaic recreating the "first newspaper delivered to the moon" by Apollo 14 commander Alan Shepard 50 years ago.

'First newspaper delivered to the moon' inspires first USA Today NFT

By Robert Z. Pearlman

Russian cosmonaut Svetlana Savitskaya (left) became the first woman to walk in space on July 25, 1984 while on a mission to the Soviet space station Salyut 7.

On This Day in Space! July 25, 1984: Cosmonaut Svetlana Savitskaya makes the 1st spacewalk by a woman

By Hanneke Weitering

On July 25, 1984, the Russian cosmonaut Svetlana Savitskaya became the first woman to embark on a spacewalk. See how it happened in our "On This Day In Space" series!

Science & Astronomy

Panelists at the 229th meeting of the American Astronomical Society discussed geoengineering Earth's atmosphere to reduce the impact of climate change and the effect it might have on night-sky viewing and astronomy.

Earth is trapping twice as much heat as it did in 2005

By Tereza Pultarova

Planet Earth is now trapping twice as much heat as it did 14 years ago, according to findings of a new study, which raise concerns about the possible acceleration of climate change.

An artist's depiction of the sun and Earth as seen from another star system.

Aliens could have spotted Earth cross the sun from more than 1,700 star systems

By Charles Q. Choi

E.T. could also potentially have detected life on Earth, scientists say.

Search For Life

How to calculate the odds that an alien spaceship has been spotted

By Anders Sandberg

The US military has released previously classified photos and films related to unidentified flying object (UFO) sightings, which mostly show something blurry moving strangely.

Aliens could have spotted Earth cross the sun from more than 1,700 star systems

By Charles Q. Choi

E.T. could also potentially have detected life on Earth, scientists say.

This still is from a U.S. Navy jet's video of a UFO sighting.

Skies alive with UFOs? Government report on mysterious sightings due soon

By Leonard David

The U.S. government is set to release a UFO report soon, perhaps sometime this week. What will it say?

Skywatching

The full moon of June, also known as the Strawberry Moon, looms above Earth's horizon in this photo taken by an astronaut at the International Space Station. The image was captured on June 17 as the space station was orbiting 254 miles (409 kilometers) above the Pacific Ocean northeast of Guam.

The full Strawberry Moon, the last supermoon of 2021, rises tonight! Here’s what to expect

By Samantha Mathewson

Celestron's PowerSeeker 127EQ telescope is 30% off for Prime Day

By Elizabeth Howell

Looking for the perfect beginner's package for a telescope? The Celestron PowerSeeker 127EQ is on sale now for $132.49 for Amazon Prime Day, a 30% deep discount.

The full Strawberry Moon rises over Manhattan in this photo taken by John Entwistle on June 9, 2017.

June full moon 2021: See the 'Strawberry supermoon' shine

By Jesse Emspak

June's full moon, known as the Strawberry Moon, will come a day after the moon reaches the closest point in its orbit around the Earth, making it the second and last "supermoon" of the year.