Never-before-seen rocks found in these exoplanet graveyards
Science

Never-before-seen rocks found in these exoplanet graveyards

An illustration of rocks around a dwarf. The image is from NOIRLab. Astronomers have discovered rock types that were never seen before in the
Astronomers discover ancient brown dwarf with lithium deposits intact
Science

Astronomers discover ancient brown dwarf with lithium deposits intact

The Spanish-Mexican team found that the boundary between objects that destroy and those that preserve it is 51.5 times the mass of Jupiter. The
Rocky exoplanets are even stranger than we thought
Science

Rocky exoplanets are even stranger than we thought

In this illustration, rock debris, which is the fragments of a former, rocky planet, spirals inward towards a white dwarf. A NOIRLab geologist and
Astronomers see white dwarf 'switch on and off' for first time
Science

Astronomers see white dwarf 'switch on and off' for first time

Artist's impression of a white dwarf. In this image, the white dwarf MV Lyrae is accreting as its draws in material from a partner star. Helena
This Dead Star Is The Best Glimpse Yet at The Future of Our Solar System
Science

This Dead Star Is The Best Glimpse Yet at The Future of Our Solar System

How will the Solar System end? This is a crucial question that scientists have been trying to answer. Researchers used their knowledge of physics
‘Auroral’ Exoplanets Could Help Boost Searches for Alien Life
Science

‘Auroral’ Exoplanets Could Help Boost Searches for Alien Life

The universe's smallest stars might emit intense auroral radiations, which could provide a new method to search for rocky planets. Radio waves can
Hubble discovers hydrogen-burning white dwarfs enjoying slow aging
Science

Hubble discovers hydrogen-burning white dwarfs enjoying slow aging

Astronomers have compared the cooling white dwarfs of two large star clusters: M3 and M13, to understand the physics behind white dwarf evolution.
An accidental discovery hints at a hidden population of cosmic objects
Science

An accidental discovery hints at a hidden population of cosmic objects

This mosaic depicts the entire sky as seen by Wide-field Infrared Survey Explorer. Infrared light is a wavelength that is longer than what the human
Business

Short seller Jim Chanos has mocked meme-stock buyers, dismissed crypto, and warned the current market boom dwarfs the dot-com bubble. Here are 14 of his best tweets.

Jim Chanos. CNBC/Getty Jim Chanos ridicules meme-stock buyers, and warns about the asset-price boom. Kynikos Associates boss and short seller has
Unraveling the mystery of brown dwarfs
Science

Unraveling the mystery of brown dwarfs

This artist's illustration shows the five brown dwarfs found with satellite TESS. These objects orbit in close orbits for 5-27 days, at least three