Samantha Mathewson

A distant spiral galaxy boasts bright streams of star-forming gas dripping from its central disk like tentacles of a jellyfish in a new Hubble Space Telescope photo.

An image from the Hubble Space Telescope captures an irregular spiral galaxy known as NGC 5486, which lies close to the much larger and well-known Pinwheel Galaxy.

Remnants of a modern glacier have been found near Mars' equator, suggesting ice may still exist at shallow depths in the area, which could have significant implications for future human exploration.

An explosion on the the sun spewed 'dark plasma' into space that resulted in a moderate G2-class geomagnetic storm on Wednesday (March 15).

Lenticular clouds were seen above the W. M. Keck Observatory on March 8, hovering in the skies above the Mauna Kea and Mauna Loa volcanoes and resembling classic flying saucer UFOs.

A new technique for processing lunar soil may help foster plant growth on the moon in hopes for sustaining more long-term lunar missions.

New images from NASA's James Webb Space Telescope (JWST) revealed that a galaxy from the early universe has a previously overshadowed companion that is abundant with star formation.

The Hubble Space Telescope captured a dazzling new view of two tempestuous young stars in the nearby Orion Nebula.

Leonardo da Vinci's centuries-old sketches reveal he may have understood key aspects of gravity long before Galileo, Newton and Einstein.

The Hubble Space Telescope recently observed mysterious features known as spokes on Saturn's rings linked to the planet's fall equinox, which last occurred in 2009.

The Hubble Space Telescope captured an open star cluster known as NGC 2660, which contains hundreds of loosely bound stars in the constellation of Vela.

New photos from the European Mars Express orbiter highlight the planet's diverse surface geology and show how tectonic activity and running water created the fascinating features we see today.

A stunning new view of the Tarantula Nebula captures turbulent clouds of gas and dust swirling between young stars.

The icy Saturn moon Mimas may have a geologically young internal ocean surrounded by a thinning ice shell, new research suggests.

NASA's James Webb Space Telescope and Chandra X-ray Observatory teamed up to provide a stunning new view of the robust star-forming region known as the Tarantula Nebula.

You can help NASA discover new planets using your personal telescope or even just your smartphone.

NASA's James Webb Space Telescope has revealed dozens of galaxies that could be among the earliest known galaxies in the universe.

A nearby galaxy merger harbors two black holes locked in a cosmic dance, according to new research.

Mars and the moon will make a close approach to each other in the sky tonight (Sept. 16), and here's what you can expect to see.

An intermediate spiral galaxy called NGC 1961 was photographed by NASA’s Hubble Space Telescope, revealing gorgeous spiral arms and glittering, blue regions of bright young stars.

Using data from NASA's Chandra X-ray Observatory, Hubble Space Telescope and recently retired Spitzer Space telescope, astronomers traced the timeline of a supernova explosion called SNR 0519.

A new photo from the Hubble Space Telescope captures two distant "overlapping" spiral galaxies.

The waxing gibbous moon will pass near Saturn on Sept. 7 and 8. Meanwhile, the moon reaches perigee or its closest point along its orbit to the Earth.

Mars appears closest to the bright star Aldebaran of the Taurus constellation Tuesday (Sept. 6). The pair will be visible high in the south before sunrise.

A new photo from the Hubble Space Telescope captures a dwarf irregular galaxy called NGC 1156, which boasts a unique structure unlike most other galaxies.