Astronauts aboard the ISS frequently capture Transient Luminous Events (TLEs), mysterious colorful bursts like red sprites and blue jets occurring high above thunderstorms. These upper-atmosphere ...

From orbit, astronauts aboard theInternational Space Station have captured striking images of rare luminous flashes appearing high above Earth’s storms. These glowing structures known as red sprites ...

It only takes one close encounter with a lightning strike to get the full sense of its power. At around 1 gigaJoule of energy ...

Our solar system is full of phenomena that push humans to keep exploring the universe. Jupiter has humongous storms, some of which last for centuries, which include lightning strikes that are 100 ...

NASA's Juno spacecraft passed north-to-south (yellow track) over Jupiter's atmosphere on August 17, 2022, detecting a cluster ...

Astronomers may have found an exciting new clue about dark energy—the mysterious force driving the universe’s accelerating expansion. They discovered an extraordinarily bright supernova from more than ...

Some of the most extreme explosions in the universe are Type I superluminous supernovae. “They are one of the brightest explosions in the Universe,” says Joseph Farah, an astrophysicist at the ...

A galaxy is a massive, gravitationally bound system. It contains stars, stellar remnants, interstellar gas and dust, and a ...

Hidden gamma-ray burst echo reveals a huge unseen cosmic blast, helping astronomers trace one of space’s rarest explosions.

Using the Australian SKA Pathfinder (ASKAP), astronomers have discovered a new long-period radio transient source, which received the designation ASKAP J142431.2–612611 (ASKAP J1424 for short). The ...

Spring is known as “galaxy season,” but that’s not all April’s nightscapes have in store. Here’s what to find while you’re ...