How to land on a planet safely?
When a lander descends toward the moon – or a rocky planet, asteroid, or comet – the exhaust plume of the rocket interacts with...
Medium-sized black holes eat stars like messy toddlers
If they exist, intermediate-mass black holes likely devour wayward stars like a messy toddler — taking a few bites and then flinging the remains...
Astronomers solve the 60-year mystery of quasars
Scientists have unlocked one of the biggest mysteries of quasars – the brightest, most powerful objects in the Universe – by discovering that they...
Scientists discover most distant cluster of galaxies at the edge of the Universe
Astronomers have looked back in time to the early beginnings of the universe, a mere 650 million years after the Big Bang, and observed...
Scientists discover mass immigration of stars into the Andromeda galaxy
Dark Energy Spectroscopic Instrument reveals evidence of mass star migration into a galaxy other than the Milky Way
Galaxies grow and evolve by forging new...
A message to meteorite hunters: Put down your magnets!
MIT study shows that simple hand magnets erase a meteorite’s magnetic memory.
Neutron star behaves like a mini-quasar
There’s a wobbly X-ray-bright binary object in our galaxy called Hercules X-1 that’s blowing a mighty wind off to surrounding space.
The system consists of...
NASA’s Webb captures the spectacular galactic merger Arp 220
Shining like a brilliant beacon amidst a sea of galaxies, Arp 220 lights up the night sky in this view from NASA’s James Webb...
Scientists discover a unique, tiny galaxy with big star power
Scientists looked more than 13 billion years into the past to discover a unique, minuscule galaxy.
New view of galaxy helps pin down mass of the black hole at its...
Seen from Earth, the giant elliptical galaxy M87 is just a two-dimensional blob, though one that appears perfectly symmetrical and thus a favored target...