NASA discovers new worlds in a river of young stars
Using observations from NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered a trio of hot worlds larger than Earth orbiting a much younger...
Astronomers uncover mysterious origins of super-Earths
Mini-Neptunes and super-Earths up to four times the size of our own are the most common exoplanets orbiting stars beyond our solar system.
Until now,...
Scientists find the most distant object ever observed in our solar system
Astronomers have confirmed a planetoid that is almost four times farther from the Sun than Pluto, making it the most distant object ever observed...
Scientists reveal the secrets of dark-matter-free galaxies
A team led by astronomers at the University of California, Riverside, has found that some dwarf galaxies may today appear to be dark-matter free...
When do galaxies stop making stars?
Massive galaxies with extra-large extended “puffy” disks produced stars for longer than their more compact cousins, new modelling reveals.
In a paper published in the...
How Mars 2020 will help bring part of the red planet back to Earth
Out in the cold, empty void beyond Earth, NASA's latest Mars mission is hurtling at 43,000 miles per hour toward the Red Planet.
The mission,...
What is causing those landslides on Mars?
Maybe underground salt and melting ice.
Changes in Mar’s geography always attract significant scientific and even public attention.
A hope for signs of liquid water (and...
Astronomers find the missing matter in our Milky Way galaxy
Astronomers have for the first time used distant galaxies as 'scintillating pins' to locate and identify a piece of the Milky Way's missing matter.
For...
Astronomers are now finding planetary disks around the smallest, least massive stars
Astronomers have been watching planetary systems form around sun-like stars for decades.
And now, new observations with the ALMA telescope reveal the same process playing...
The 7 rocky TRAPPIST-1 planets may be made of similar stuff
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...