Scientists trace the movement of 10,000 galaxies and clusters
Everything in our universe moves, but the timescales needed to see motion are often vastly greater than human lifetimes.
In a major new study, astronomers...
Mini-Neptune planets are losing atmospheres and becoming super-earths
Astronomers have identified two different cases of "mini-Neptune" planets that are losing their puffy atmospheres and likely transforming into super-Earths.
Radiation from the planets' stars...
Scientists find a ‘one-off gift’ from Martian meteorite
Scientists find the first evidence of high-intensity damage caused by asteroid impact from a Martian meteorite.
The new finding has implications for understanding when conditions...
A Chinese space tug just grappled a dead satellite
A Chinese satellite pulled a defunct navigation satellite out of the way of other satellites on January 22.
The satellite, called SJ-21, appeared to operate...
What makes planets habitable? Moons may tell us
Earth's moon is vitally important in making Earth the planet we know today:
The moon controls the length of the day and ocean tides, which...
Tug of sun, moon could be driving tectonic plate motions on Earth
A new study suggests that imbalanced forces and torques in the Earth-moon-sun system are behind movement of tectonic plates.
The new analysis provides an alternative...
Scientists find record number of orphan planets
Astronomers examined archived images and data from NSF's NOIRLab observatories, as well as other telescopes and facilities around the globe.
The astronomers identified at least...
This exoplanet has a complex and exotic atmosphere
The atmosphere of Earth is not a uniform envelope but consists of distinct layers that each have characteristic properties.
The lowest layer that spans from...
Scientists explain mysterious finger-like features in solar flares
In January 1999, scientists observed mysterious motions within a solar flare.
Unlike typical flares that showed bright energy erupting outwards from the Sun, this solar...
Liquid water flowed on Mars much longer than previously thought
Mars once rippled with rivers and ponds billions of years ago, providing a potential habitat for microbial life.
As the planet's atmosphere thinned over time,...