EarthSky2- Page

View larger. | A fluvial sinuous ridge, or inverted channel, in Noachis Terra on Mars. A new study has identified over 9,300 miles (15,000 km) of these ancient rivers on

Artist’s concept of a supermassive black hole shredding and devouring a star in what’s known as a tidal disruption event. Astronomers have spotted a star that suffered this fate but

View larger/ full image. | European Southern Observatory’s Very Large Telescope (VLT) in Chile took this image of the young, massive exoplanet HD 135344 Ab. It is only about 12

Artist’s impression of the long-period radio transient CHIME J1634+44, which has properties so strange it’s been described as a “unicorn” object. Image via NSF/ AUI/ NSF NRAO/ P.Vosteen. The National

View larger. | The image to the left, taken with ESO’s Very Large Telescope (VLT), shows a possible newborn planet (circled) around the young star HD 135344B, located around 440

Astronomers announced this morning (July 21, 2025) that they’ve discovered a companion star in a tight orbit around the beloved red supergiant star Betelgeuse, in the constellation Orion. How did

Here’s an illustration showing the path of asteroid 2025 OS that safely passed Earth on July 18. Image via NASA/ JPL. Used with permission. Asteroid 2025 OS passed Earth this

The world watched on television as Neil Armstrong from Apollo 11 was the 1st human to leave footsteps on the moon on July 20, 1969. It was the 1st time

Artist’s concept of the hidden molecular cloud in our Milky Way. Scientists are calling this region of gas and dust the Midpoint Cloud. Image via NSF/ AUI/ NSF NRAO/ P.

Here’s the famous The Day the Earth Smiled photo, taken by the Cassini spacecraft on July 19, 2013. Image via NASA/ JPL/ SSI/ CICLOPS/ Mother Jones. July 19, 2013: The