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Astrobiology Mar 19, 2024

Planetary geophysics: What is it? What can it teach us about finding life beyond Earth?

Universe Today has examined the importance of studying impact craters, planetary surfaces, exoplanets, astrobiology, solar physics, comets, and planetary atmospheres, and how these intriguing scientific disciplines can help ...

Planetary Sciences Mar 11, 2024

This hot Jupiter is doomed to crash into its star in just three million years

In 2008, astronomers with the SuperWASP survey spotted WASP-12b as it transited in front of its star. At the time, it was part of a new class of exoplanets ("hot Jupiters") discovered a little more than a decade before. However, ...

Space Exploration Mar 7, 2024

Eclipse chasers head to southern Illinois for 2nd total solar eclipse in 7 years

In 1999, Michelle Nichols saw her first total solar eclipse on a cruise in the Black Sea. It would be many years before she witnessed another one during a visit to southern Illinois in 2017.

Astrobiology Feb 19, 2024

Subglacial microbial life on Earth and beyond

The search for life beyond Earth fascinates many and inspires big questions: Are we truly alone in the universe? Is our Earth unique? Is it possible that life beyond Earth may actually be far from little green aliens and ...

Planetary Sciences Feb 3, 2024

Orbital resonance: The striking gravitational dance done by planets with aligning orbits

Planets orbit their parent stars while separated by enormous distances—in our solar system, planets are like grains of sand in a region the size of a football field. The time that planets take to orbit their suns have no ...

Planetary Sciences Jan 31, 2024

Webb directly images two planets orbiting white dwarfs

In several billion years, our sun will become a white dwarf. What will happen to Jupiter and Saturn when the sun transitions to become a stellar remnant? Life could go on, though the giant planets will likely drift further ...

Space Exploration Jan 30, 2024

Mars helicopter Ingenuity has ended its mission, paving the way for more flying vehicles on other planets, moons

It is difficult to emphasize the significance of the milestone surpassed by Nasa's Mars helicopter, Ingenuity.

Space Exploration Jan 8, 2024

Should we send humans to Pluto?

Universe Today has examined the potential for sending humans to Jupiter's icy moon, Europa, the planet Venus, and Saturn's largest moon, Titan, all despite their respective harsh environments and vast distances. These conversations ...

Astronomy Dec 29, 2023

A carbon-lite atmosphere could be a sign of water and life on other terrestrial planets, study finds

Scientists at MIT, the University of Birmingham, and elsewhere say that astronomers' best chance of finding liquid water, and even life on other planets, is to look for the absence, rather than the presence, of a chemical ...

Planetary Sciences Dec 18, 2023

Weather in the solar system can teach us about weather on exoplanets

The way astronomers study planets in our own solar system is surprisingly similar to the way they study exoplanets, despite the latter being orders of magnitude more distant. The key is spectroscopy—examining the wavelengths ...

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