Astronomers have spotted a tiny world with an atmosphere beyond the orbit of Neptune. It should be too small for an atmosphere to be possible.
Astronomers have discovered what they now call the most distant red galaxy identified to date.
A team of astronomers have discovered a giant volcanic cave hiding beneath the surface of Venus.
Despite not yet being fully operational, the new Vera C. Rubin Observatory in Chile has made a remarkable discovery of 11,000 asteroids in space.
The most recent interstellar visitor was crisscrossing our galaxy for some 10 to 12 billion years before it came near the Sun.
A NASA rover has discovered more building blocks of life on Mars after carrying out a chemistry experiment never before conducted on another planet.
It was a triumphant homecoming for the crew of four whose record-breaking lunar flyby revealed not only swaths of the moon's far side — never seen before by human eyes — but a total solar eclipse.
US astrophysicists have caught sight of a potential primordial black hole using the Laser Interferometer Gravitational-Wave Observatory (LIGO).
A group led by University of Chicago scientists has discovered a star that appears to date back to the second generation of stars ever formed.
New findings reveal that exoplanet L 98-59 d appears to belong to an entirely different class of planet containing heavy sulphur molecules within a permanet magma ocean.
Now Perseverance’s ground-penetrating radar (called RIMFAX) detected older river delta buried tens of meters beneath Jezero crater.
Decades of searches for alien transmissions may have been hamstrung by an overlooked problem: Space weather near distant stars could be distorting signals before they leave home.
A new study reveals all five fundamental nucleobases – the molecular “letters” of life – have been detected in samples from the asteroid Ryugu.
According to an analysis of the strange changes in a Sun-like star named Gaia-GIC-1, located around 11,600 light-years away, its strange behavior can best be explained by two baby planets colliding in its immediate vicinity.
Magnetars have been a leading candidate for the engine behind superluminous supernovae.
