Ashley Strickland

Giant solar balloons were sent 70,000 feet up in the air to record sounds of Earth's stratosphere. The microphones picked up aircraft, thunder, explosions, colliding ocean waves, as well as some unidentified sounds.

Astronomers used the James Webb Space Telescope to observe a rare comet in our solar system that lives among asteroids in the main asteroid belt between Mars and Jupiter. The team made one scientific breakthrough and stumbled on a new mystery.

Scientists studied rare butterfly fossils and collected DNA from nearly 2,300 species to create the ultimate tree of life and learn where butterflies originated when they first appeared on Earth 100 million years ago.

Astronomers used multiple telescopes to find an Earth-size exoplanet 90 light-years away that may be covered in volcanoes.

The Perseverance rover has captured new images that appear to show evidence of a fast-flowing river that once fed into Jezero Crater, the site of an ancient Martian lake.

An unusual saber-toothed creature, similar in size to a tiger but with a reptilian appearance, fought for its place as a predator during Earth’s worst mass extinction event 250 million years ago.

(CNN) — Fossils of an unusual saber-toothed predator that lived during the worst mass extinction event on Earth are revealing how unstable things were for animals during “the Great Dying.”

New images of the sun taken by the Inouye Solar Telescope reveal sunspots and other quiet regions of the sun in unprecedented detail.

This week, meet the next generation of lunar rovers, glimpse stunning new photos of the solar surface, encounter colorful new species across Asia, and more.

An independent team assembled by NASA will publish its first report on unidentified anomalous phenomena, also known as unidentified flying objects, or UFOs, by the end of July.