The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about 2.5 million light-years. Astronomers use Andromeda to
The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about 2.5 million light-years. Astronomers use Andromeda to
Detecting exoplanets is one thing, but imaging them is another thing entirely. Astronomers can detect them by the way they block their star’s light and by the way they make
Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so meteorites that come from the moon and Mars. This
With the advancement of long-term missions to the moon and Mars, crews are expected to live together in isolated and confined environments for a long time. Thus, relationships and interactions
Imagine a star so dense that a teaspoon of its material would weigh as much as Mount Everest, spinning hundreds of times per second while beaming radio waves across the
Arsia Mons, one of the Red Planet’s largest volcanoes, peeks through a blanket of water ice clouds in this image captured by NASA’s 2001 Mars Odyssey orbiter on May 2,
A laser navigating tool doomed a Japanese company’s lunar lander earlier this month, causing it to crash into the moon.
Iron is one of the most abundant heavy elements in the universe. Its spectral features stand out in many astronomical spectra, especially in those of stars and galaxies. As a
If a huge asteroid smashes into the moon in 2032, the gigantic explosion would send debris streaming toward Earth that would threaten satellites and create a spectacular meteor shower, according
The team behind the long-awaited Vera Rubin Observatory in Chile published their first images on Monday, revealing breathtaking views of star-forming regions as well as distant galaxies.