Astronomy
50 years ago, astronomers challenged claims that Barnard’s star has a planet
Astronomers have been searching for planets around the sun’s close neighbor for decades.
Space
More Stories in Space
- Astronomy
A rare, extremely energetic cosmic ray has mysterious origins
In 1991, physicists spotted a cosmic ray with so much energy it warranted an ‘OMG.’ Now that energetic particle has a new companion.
- Animals
The first embryos from a mammal have now been grown in space
Mouse embryos in space can develop into clusters of cells called blastocysts. The result is a step toward understanding how human embryos will fare.
- Planetary Science
50 years ago, the first probe to visit Mercury launched
In the 1970s, NASA’s Mariner 10 became the first spacecraft to visit Mercury. Only one other probe has made the journey and another one is on its way.
- Planetary Science
JWST spotted a new speedy jet stream in Jupiter’s atmosphere
Seen in images from the James Webb Space Telescope, the high-altitude feature may help untangle the inner workings of the giant planet’s atmosphere.
- Space
How giant mirrors are made for what will be the world’s largest telescope
The Giant Magellan Telescope is slated to probe the cosmos for Earthlike worlds and atmospheric signatures of potential extraterrestrial life.
- Planetary Science
Marsquakes and meteorite hits show Mars has a dense liquid metal core
Mars’ dense liquid iron core is wrapped in a layer of molten rock, which threw off previous measurements of the Red Planet’s heart.
- Physics
How quantum ‘squeezing’ will help LIGO detect more gravitational waves
An upgrade to LIGO that comes from exploiting a quantum rule known as the Heisenberg uncertainty principle makes it easier to detect spacetime ripples.
- Astronomy
A rare glimpse at a relatively nearby supernova offers clues to how stars die
Thanks to its home in the Pinwheel galaxy, a favorite of amateur astronomers, researchers have monitored SN 2023ixf since shortly after it exploded.
- Planetary Science
Giant planet ‘destabilization’ may have coincided with the birth of Earth’s moon
New meteorite data suggest the orbits of the giant planets abruptly changed about 60 million to 100 million years after the solar system started forming.
