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Astronomy Jan 27, 2021

Purported phosphine on Venus more likely to be ordinary sulfur dioxide, new study shows

In September, a team led by astronomers in the United Kingdom announced that they had detected the chemical phosphine in the thick clouds of Venus. The team's reported detection, based on observations by two Earth-based radio ...

Space Exploration Jan 27, 2021

Unique solar system views from NASA sun-studying missions

Though they focus on the star at the center of our solar system, three of NASA's Sun-watching spacecraft have captured unique views of the planets throughout the last several months. Using instruments that look not at the ...

Astronomy Jan 22, 2021

The seven rocky planets of TRAPPIST-1 seem to have very similar compositions

The red dwarf star TRAPPIST-1 is home to the largest group of roughly Earth-size planets ever found in a single stellar system. Located about 40 light-years away, these seven rocky siblings provide an example of the tremendous ...

Space Exploration Jan 15, 2021

Six-wavelength spectroscopy can offer new details of surface of Venus

A trio of papers provide new insight into the composition and evolution of the surface of Venus, hidden beneath its caustic, high temperature atmosphere. Utilizing imaging from orbit using multiple wavelengths—six-band spectroscopy ...

Space Exploration Dec 18, 2020

Solar Orbiter prepares for festive Venus flyby

Solar Orbiter is getting ready for the first of many gravity assist flybys of Venus on 27 December, to start bringing it closer to the sun and tilting its orbit in order to observe our star from different perspectives.

Environment Dec 17, 2020

The most consumed species of mussels contain microplastics all around the world

"If you eat mussels, you eat microplastics." This was already known to a limited extent about mussels from individual ocean regions. A new study by the University of Bayreuth, led by Prof. Dr. Christian Laforsch, reveals ...

Astrobiology Dec 15, 2020

Device mimics life's first steps in outer space

A device developed by scientists at the CY Cergy Paris University and Paris Observatory promises insight into how the building blocks of life form in outer space.

Space Exploration Dec 14, 2020

Venus was once more Earth-like, but climate change made it uninhabitable

We can learn a lot about climate change from Venus, our sister planet. Venus currently has a surface temperature of 450℃ (the temperature of an oven's self-cleaning cycle) and an atmosphere dominated by carbon dioxide (96 ...

Plants & Animals Dec 11, 2020

The pressure sensor of the Venus flytrap

All plant cells can be made to react by touch or injury. The carnivorous Venus flytrap (Dionaea muscipula) has highly sensitive organs for this purpose: sensory hairs that register even the weakest mechanical stimuli, amplify ...

Space Exploration Dec 11, 2020

Solar Orbiter: Turning pictures into physics

Solar Orbiter's latest results show that the mission is making the first direct connections between events at the solar surface and what's happening in interplanetary space around the spacecraft. It is also giving us new ...

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