Mars was covered by a 300-meter-deep ocean 4.5 billion years ago
When Mars was a young planet, it was bombarded by ice asteroids delivering water and organic molecules necessary for life to emerge.
This means...
Bright light from early universe ‘opens new chapter in astronomy’
The researchers found two exceptionally bright galaxies that existed approximately 350 and 450 million years after the big bang.
What would asteroid mining do to the world’s economy
About a decade ago, the prospect of “asteroid mining” saw a massive surge in interest.
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.
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.
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...
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...