All About Everything

How the fate of Europe's JUICE Jupiter mission depends on the risk of biological contamination

The ultimate fate of the European Space Agency's JUICE mission could drastically change should it succeed in discovering that Ganymede's ocean is both potentially habitable and accessible. When it launches in April 2023, JUICE ( ...

4 big asteroids are flying by Earth this week, but don't worry. They aren't getting too close.

A large asteroid flying safely by Earth. Four large asteroids are flying within 2.2 million miles of Earth this week, but none pose an impact risk to our planet, NASA says ...

'Absolutely unreal:' NASA astronaut snaps amazing photo of auroras from space station

You don't often see Earth's dazzling auroras from this angle. NASA astronaut Josh Cassada just snapped a stunning shot of the light display from his perch on the International Space Station (ISS), which flies about 250 miles (400 kilometers) above ...

China's Zhurong rover reveals complex layers beneath the surface of Mars

This view of the Martian surface, which shows several clear features, contrasts starkly with the shallow subsurface structure of Earth's moon, also revealed by ground-penetrating radars. The moon's uppermost 33 feet (10 meters) consists of fine layers that ...

EarthSky

59 new exoplanets discovered around nearby stars

EarthSky

All of the new-found planets orbit red dwarf stars. And 12 of the them are potentially habitable, the researchers said. The astronomers are with the CARMENES project consortium, which just released ...

Illuminating the science of black holes and gamma-ray bursts using high-power lasers

Phys.Org

Phys.Org

In the upper image, relativistic electron-positron (pair) plasmas abound in the environments of astrophysical compact objects (e.g., black holes and neutron stars) and are important to understand their high-energy emission.

What are 'minibrains'? Everything to know about brain organoids

These blobs — scientifically known as brain organoids, but often called "minibrains" in the news — serve as miniature, simplified models of full-size human brains. These organoids can potentially be useful in basic research, drug development and even ...

Watch SpaceX launch 51 Starlink satellites to orbit today (Feb. 28)

SpaceX will launch another big batch of its Starlink internet satellites to orbit on Tuesday (Feb. 28), and you can watch the action live. A Falcon 9 rocket topped with 51 Starlink spacecraft is scheduled to lift off from California's Vandenberg Space ...

Astronomers spy new class of dark, water-rich asteroids like dwarf planet Ceres

Astronomers are slowly shining light on the dark objects hovering in a narrow part of the asteroid belt between Mars and Jupiter. In a new study, researchers found that 10 well-known asteroids have ...

Insect that flings pee with a butt catapult is 1st known example of 'superpropulsion' in nature

Relatives of cicadas known as sharpshooter insects can catapult pee droplets at superfast speeds, revealing the first known example of "superpropulsion" in nature, a new study finds. This newly discovered effect helps the bugs save energy during peeing ...