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Astrobiology Jun 13, 2024

Watery planets orbiting dead stars may be good candidates for studying life—if they can survive long enough

The small footprint and dim light of white dwarfs, remnants of stars that have burned through their fuel, may make excellent backdrops for studying planets with enough water to harbor life.

Astronomy Jun 6, 2024

It's time for hardworking Hubble to slow down a little

Thirty-four years is a long time for a telescope. Yet, that is how long the veteran workhorse of NASA's space telescope fleet has been operating. Admittedly, Hubble was served by several repair missions during the space shuttle ...

Planetary Sciences Jun 6, 2024

Carving into carbonates on Mars

This past week on Mars, Perseverance made a pit stop near Overlook Mountain to abrade a rock called Old Faithful Geyser. This target is situated within the Western side of the Margin Unit, an area around the upper edge of ...

Planetary Sciences Jun 4, 2024

Simulation of factors that led to Arrokoth's red color suggest its surface is rich in sugars

A team of space scientists and chemists at the University of Hawaii at Mānoa, Université Côte d'Azur and the Southwest Research Institute has found the planetesimal Arrokoth likely gets its red color from a surface rich ...

Astrobiology May 31, 2024

Cryovolcanism: Why study it? What can it teach us about finding life beyond Earth?

Universe Today has had the privilege of spending the last several months venturing into a multitude of scientific disciplines, including impact craters, planetary surfaces, exoplanets, astrobiology, solar physics, comets, ...

Evolution May 31, 2024

Novel technique uncovers clues to disappearance of North America's large mammals 50,000 years ago

50,000 years ago, North America was ruled by megafauna. Lumbering mammoths roamed the tundra, while forests were home to towering mastodons, fierce saber-toothed tigers and enormous wolves. Bison and extraordinarily tall ...

Space Exploration May 30, 2024

Virtual flying lessons for Hera asteroid mission

As ESA's Hera spacecraft for planetary defense goes through pre-flight testing, the system that will steer it around its target binary asteroid system is also undergoing its final checks for space.

Astronomy May 30, 2024

Black Holes: Why study them? What makes them so fascinating?

Over the last few months, Universe Today has explored a plethora of scientific fields, including impact craters, planetary surfaces, exoplanets, astrobiology, solar physics, comets, planetary atmospheres, planetary geophysics, ...

Astrobiology May 30, 2024

Sulfur molecules from space may have seeded early life on Earth

Important nutrients for the first living organisms on Earth may have come from space, according to new research from the University of Hawaiʻi at Mānoa.

Astronomy May 25, 2024

Dyson spheres: Astronomers report potential candidates for alien structures, and evidence against their existence

There are three ways to look for evidence of alien technological civilizations. One is to look out for deliberate attempts by them to communicate their existence, for example, through radio broadcasts. Another is to look ...

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