Massive stars about eight times more massive than the Sun explode as supernovae at the end of their lives. The…
Mars' ancient climate is one of our Solar System's most perplexing mysteries. The planet was once wet and warm; now…
The Hubble Space Telescope was carried to space inside the space shuttle Discovery and then released into low-Earth orbit. The…
When we think of exoplanets that may be able to support life, we hone in on the habitable zone. A…
Neutron stars are extraordinarily dense objects, the densest in the Universe. They pack a lot of matter into a small…
Is there something strange and alien confined deep inside the Earth? Is it trying to break free and escape into…
The JWST has found an exoplanet unlike any other. This unique world has an atmosphere almost entirely composed of water…
In the summer of '69, Apollo 11 delivered humans to the surface of the Moon for the first time. Neil…
In June 2018, Japan's Hayabusa 2 mission reached asteroid 162173 Ryugu. It studied the asteroid for about 15 months, deploying…
The Solar System's hundreds of moons are like puzzle pieces. Together, they make a picture of all the forces that…