Everyone knows Yuri Gagarin as the first person to go to space. But was he? Physicist Vladimir Brljak tells the tale of the intrepid balloonists who first flew beyond the blue terrestrial sky, challen ...

Venus and Saturn will appear within about one degree of each other this weekend, making this one of the closest naked-eye planetary pairings of 2026.

Breaking down the factors that make this springtime month so prone to aurora.

Sky This Week is brought to you in part by Celestron. Friday, March 6With no Moon in the early-evening sky, let's chase down a classic deep-sky object tonight: M1, the first entry in Charles ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

Launched to Mars in November, NASA’s ESCAPADE probes — operated by UC Berkeley’s Space Sciences Lab — are now testing their instruments in a never-before-visited region of Earth's magnetic field.

A SpaceX Falcon 9 launch left a rare high altitude noctilucent cloud glowing before sunrise, sparking awe and confusion across Florida.

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

This article was originally published at The Empowerment Alliance and is re-published here with permission. Just days before President Trump announced that the EPA would no longer be g ...

NASA’s Carruthers Geocorona Observatory studies Earth’s exosphere, capturing ultraviolet images to monitor atmospheric ...

A SpaceX Falcon 9 launch left a rare high altitude noctilucent cloud glowing before sunrise, sparking awe and confusion across Florida.

The past three years have been the world's hottest on record by far, with 2025 almost tied with 2023 for second place. With ...