Did the Earth’s Water Come From the Sun?
Where did Earth's water come from? Comets may have brought some of it. Asteroids may have brought some. Icy planetesimals…
Messier 95 – the NGC 3351 Barred Spiral Galaxy
Located in the constellation Leo, about 33 million light-years from Earth, is the barred spiral galaxy known as Messier 95.
‘Don’t Look Up’ Shines a Satirical Spotlight on Campaign to Counter Cosmic Threats
The science adviser for “Don’t Look Up,” a star-studded comedy about a killer comet, has some serious advice for dodging a threat…
Colliding Gases at the Heart of the Running Man Nebula
New images of the Running Man Nebula taken by Hubble provide insight into how young stars and debris disks are…
If There are Water Plumes on Europa, Here’s how Europa Clipper Will Study Them
NASA’s Europa Clipper is one of the most anticipated missions of the coming decade, in large part because its target,…
Alan Shepard’s Daughter Will be Flying on the Next New Shepard Flight
For the 19th mission of the New Shepard rocket, Blue Origin has offered a seat to Alan Shepard's eldest daughter…
NASA Plans to Retire the Space Station in 2030 and Replace it with Commercially Owned “Destinations” in Low Earth Orbit
While it may seem like the International Space Station is just now fully hitting its stride as far as scientific…
An Upcoming Asteroid Mission Will be Able to Peer 100 Meters Under the Surface
Engineers only get one shot at making a spacecraft work as intended. Or at least they only get one shot…
Our Guide to the Only Total Solar Eclipse of 2021
This weekend, the shadow of the Moon graces the Earth one last time for the year.
NASA is Building a Nuclear Reactor to Power Lunar and Martian Exploration!
NASA and the U.S. Dept. of Energy have come together to solicit design proposals for a nuclear reactor that will…