Aerospace

Scientists find winds and jet streams on the closest brown dwarf

A University of Arizona-led research team has found bands and stripes on the brown dwarf closest to Earth, hinting at the processes churning the...

Scientists find when and how asteroid Ryugu lost its water

Last month, Japan's Hayabusa2 mission brought home a cache of rocks collected from a near-Earth asteroid called Ryugu. While analysis of those returned samples is...

Universe is nearly 14 billion years old, shows study

Astronomers, including Cornell’s Steve Choi, have used observations, plus a bit of cosmic geometry, to propose that the universe is 13.77 billion years old...

How to get people from Earth to Mars and safely back again

There are many things humanity must overcome before any return journey to Mars is launched. The two major players are NASA and SpaceX, which work...

Astronomers say global myths about ‘seven sisters’ stars may reach back 100,000 years

In the northern sky in December is a beautiful cluster of stars known as the Pleiades, or the “seven sisters”. Look carefully and you will...

Where did this galaxy’s supermassive black hole go

The mystery surrounding the whereabouts of a supermassive black hole has deepened, researchers say. Despite searching with NASA’s Chandra X-ray Observatory and Hubble Space Telescope,...

Asteroids crashing into dead stars are helping explain where the universe’s missing lithium went

went What happened to all the lithium? The question has stumped astronomers for decades. While cosmologists have successfully predicted the abundance of the other light elements from...

Ripples in space-time could help find missing pieces of the universe

There’s something a little off about our theory of the universe. Almost everything fits, but there’s a fly in the cosmic ointment, a particle of...

Demise of Arecibo telescope marks sad end of an era

On the morning of Dec. 1, the Arecibo radio telescope — a storied tool for atmospheric science and astronomy that has produced valuable research...

White dwarfs may help solve the cosmological lithium problem

For the first time, hard-to-track lithium has been identified and measured in the atmosphere of burned out stars called white dwarfs, according to a...