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Planetary Sciences Jul 1, 2024

With X-ray analysis, an asteroid provides a view into our solar system's past

Imagine opening a time capsule, hoping to learn about the ancient past. Except, instead of a box or a chest, it's an asteroid that could provide insights into the very dawn of life on Earth.

Planetary Sciences Jun 26, 2024

New study reveals comet airburst evidence from 12,800 years ago

Researchers continue to expand the case for the Younger Dryas Impact hypothesis. The idea proposes that a fragmented comet smashed into the Earth's atmosphere 12,800 years ago, causing a widespread climatic shift that, among ...

Planetary Sciences Jun 24, 2024

Venus could be the perfect place to count meteors

Watching meteoroids enter the Earth's atmosphere and streak across the sky as the visual spectacle known as meteors, it is one of the most awe-inspiring spectacles on Earth, often exhibiting multiple colors as they blaze ...

Planetary Sciences Jun 24, 2024

Two large asteroids safely pass Earth just 42 hours apart

Two large asteroids will safely pass Earth this week, a rare occurrence perfectly timed to commemorate this year's Asteroid Day.

Planetary Sciences Jun 17, 2024

Study of meteorite 'Northwest Africa 14250' reveals composition of the early solar system

A multi-institutional team of planetary scientists has learned more about the early composition of the solar system by studying a meteorite named Northwest Africa 14250. In their study, published in the journal Science Advances, ...

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, ...

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