Stars and planets grow up together, reveals white dwarfs
A study of the oldest stars suggests the building blocks of planets like Jupiter and Saturn begin to form while a young star is growing.
Will Neptune’s largest moon Triton finally answer, ‘Are we alone’?
We recently examined how and why Saturn’s icy moon, Enceladus, could answer the longstanding question: Are we alone?
With its interior ocean and geysers of...
Black holes don’t always power gamma-ray bursts, shows study
Gamma-ray bursts (GRBs) have been detected by satellites orbiting Earth as luminous flashes of the most energetic gamma-ray radiation lasting milliseconds to hundreds of seconds.
This nearby dwarf galaxy has been a loner for almost the entire age of...
The James Webb Space Telescope Early Release Science (ERS) program – first released on July 12th, 2022 – has proven to be a treasure...
Star death reveals a midsize black hole lurking in a dwarf galaxy
An intermediate-mass black hole lurking undetected in a dwarf galaxy revealed itself to astronomers when it gobbled up an unlucky star that strayed too...
New images reveal secrets of an earlier Universe
A research team led by the University of Minnesota Twin Cities has measured the size of a star dating back 2 billion years after...
Early planetary migration can explain missing planets
A new model that accounts for the interplay of forces acting on newborn planets can explain two puzzling observations that have cropped up repeatedly...
Scientists may find the first traces of the universe’s earliest stars
Astronomers may have discovered the ancient chemical remains of the first stars to light up the universe.
Using an analysis of a distant quasar observed...
Exoplanets make it harder to figure out a star’s age
Estimating stellar age has always been a challenge for astronomers.
Now, a certain class of exoplanets is making the process even more complicated.
Hot Jupiters –...
Cosmic inflation could be ruled out in the early universe, shows study
There is a clear, unambiguous signal in the cosmos which could eliminate inflation as a possibility, shows new study.
The study, published in The Astrophysical...