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Gullies on Mars may be a result of melting ice

Were gullies on Mars formed by liquid water? A new study led by researchers at Brown University says that intermittent meltwater likely did indeed create them.

Paul Scott Anderson

July 9, 2023

Opportunity left for Mars on July 7, 2003

NASA's Opportunity rover launched to Mars on July 7, 2003. The rover surpassed all expectations. It officially ended its mission on February 13, 2019.

Deborah Byrd

July 7, 2023

Did we find life on Mars … and then wipe it out?

Did the Viking landers from a few decades ago find microbial life on Mars after all? Astrobiologist Dirk Schulze-Makuch makes the case in Big Think.

Paul Scott Anderson

July 6, 2023

Satellite views lightning from space to help predict storms

The European Space Agency has a new satellite that is capturing views of lightning from space. The satellite will help improve forecasts and make air travel safer.

Kelly Kizer Whitt

July 5, 2023

Could there be a captured planet hiding in the Oort Cloud?

Is there a rogue captured planet way out in the Oort Cloud of our solar system? A team of researchers says there is indeed a slim possibility.

Paul Scott Anderson

July 2, 2023

Young Jupiter-like exoplanet revealed in new images

Astronomers using the Keck II telescope in Hawaii have obtained new direct images of a young exoplanet 3 times the mass of Jupiter and 87.5 light-years away.

Paul Scott Anderson

July 2, 2023

1st Saturn image from Webb highlights glowing rings

Webb has taken its 1st Saturn image! This infrared view shows Saturn's rings shining bright in a golden light. You can also spot some of Saturn's moons.

EarthSky Voices

July 1, 2023

Milky Way shines in new ‘ghost particle’ neutrino image

Scientists released a new "ghost particle" image of the Milky Way. It is the 1st-ever image taken of our home galaxy using neutrinos instead of visible light.

Paul Scott Anderson

June 30, 2023