"We would like to understand the difference between these systems, which holds the clue to understand just how many cosmic ...

Two bands of radiation called the Van Allen belts encircle Earth. After a May 2024 solar superstorm, two more showed up between those belts.

Using ESA's XMM-Newton satellite and NASA's Chandra X-ray observatory, astronomers have observed a young stellar object known ...

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

It may be the smallest, shortest chorus dance ever recorded. An international team of researchers observed how electrons, excited by ultrafast light pulses, danced in unison around a particle less ...

Scientists accidentally discovered that the Earth's inner core might not be how we thought it was - and it could affect the ...

The European Space Agency (ESA) is ready to guide the ESA/NASA Solar Orbiter spacecraft through its closest encounter with ...

"It feels like something out of science fiction," said European Southern Observatory astrophysicist Julia Victoria Seidel.

Astronomers have peered through the atmosphere of a planet beyond the solar system, mapping its 3D structure for the first ...

This mechanism is made up of three links: AB, BC and the wheel. You are given the constant rotation rate of link AB, and are asked to find the angular velocities and angular accelerations of link BC ...

The FAA says the crew of Republic Airways Flight 4514 had to perform a "go-around" at Ronald Reagan Washington National Airport (DCA) around 8 p.m. Tuesday after learning a military helicopter was ...

A massive 500,000-mile-wide (800,000-kilometer) coronal hole in the sun's atmosphere is unleashing a stream of fast-moving solar wind toward Earth, potentially supercharging auroras on Jan. 31 and ...