Planets
James Webb Peers Into TRAPPIST-1, a Star System Full of Earth-Like Planets
The rocky worlds have the potential to harbor liquid water, but until now scientists have been unable to tell if they have atmospheres.
What Time Will the Planets Align in June? When to See Rare Phenomenon
In June, Mercury, Venus, Mars, Jupiter and Saturn will all be visible in the sky in the same order as they orbit the sun—for the first time in 18 years.
Why Rare Planet Alignment Is 'Extra Special' Solar Event
The five planets, Mercury, Venus, Mars, Jupiter and Saturn—will all be visible at once throughout the month of June in the same order as they orbit the sun.
What Is the Hottest Layer of Earth and Is the Core Cooling?
The Earth consists of four main layers: the crust, the mantle, the outer core and the inner core.
How To Watch 'Cosmic Kiss' of Venus and Jupiter in the Sky This Weekend
The two bright planets will be visible to the naked eye when nestled close together. A live stream is also planned.
Debate Rages As Wife Reveals Husband Wants To Name Their Kid After a Planet
"Kids are mean and will eat a kid named Jupiter for lunch," one comment read.
What Color Is Uranus and How Many Moons Does It Have?
In an influential report known as the decadal survey, planetary scientists have said visiting Uranus should be a priority for NASA.
Craters Only Ever Seen on Other Planets and Moons Discovered in Wyoming
The area, which scientists have named the Wyoming Crater Field, is in a triangular area between the cities of Laramie, Douglas and Casper.
22 Mercury Retrograde Memes That'll Get You Through the Chaos
While it isn't exactly a scientifically proven theory, many believe that mercury in retrograde wreaks havoc on our personal lives, and there are plenty of memes out there to prove it.
You Can Help Train NASA Mars Rovers to Avoid Danger From Your Sofa
The public are being asked to label images taken by NASA's Perseverance and other Mars rovers in order to train an algorithm that will aid Martian navigation.
Valleys on Mars' Barren Surface Carved by Huge Floods Billions of Years Ago
The floods resulted from crater breaches that created deep rivers on the Red Planet's surface like the "Grand Canyon of Mars" Loire Vallis, new research shows.
When To Catch September 2021's Full Moon
September's moon falls days before the Autumn equinox.
Amazing NASA Video Shows Venus Glowing as Orbiter Zips Past
The Solar Orbiter spacecraft, jointly operated with the European Space Agency, passed within 4,967 miles of the planet's surface on August 9.
NASA Announces Two Missions to Planet Venus to Map Out Surface, Atmosphere
For the first time in over 30 years, NASA will be sending missions DAVINCI+ and VERITAS to Venus, an expedition expected to launch in the late 2020s.
What Is the Christmas Star? Planetary Alignment Will Appear After 800 Years
Your guide on how to see the "Christmas Star" the biblical Wise Men followed for the first time since the middle ages.
How to see Five Planets and the Moon In the Night Sky This Weekend
If you want to see the spectacle, you will need to head outside around an hour before sunrise on Sunday.
The Moon May Be More Metallic Than Previously Thought
A study sheds new light on the distribution of metals in the lunar subsurface.
In Space No One Can Hear You Scream, But That's Not The Scariest Thing
There's a lot to be frightened of in the great infinite nothingness of outer space.
Cosmic Crash Between Milky Way and Sagittarius Linked to Solar System Birth
"It seems that an important part of the Milky Way's stellar mass was formed due to the interactions with Sagittarius and wouldn't exist otherwise," scientist Carme Gallart said.
Over 100 Minor Planets Have Been Discovered at the Edge of the Solar System
Researchers identified the minor planets beyond the orbit of Neptune.
Image Shows Biggest Asteroid to Pass by Earth This Year as It Approaches
Data indicates that the object could measure anywhere between 1.1 and just over 2.6 miles in diameter, based on its observed magnitude.
Planet That Orbits Its Star Every 18 Hours on Path of Destruction Found
The planet is located around 1,000 light-years from Earth and experiences average temperatures of more than 1,800 degrees Fahrenheit.
Is 2020 a Leap Year? Here's Why February Has an Extra Day
The tropical year—or the length of time it takes for the Earth to go from one equinox to the next—is 365 days, 5 hours, 48 minutes and 45 seconds long.
Watch Rare Transit of Mercury Live as Planet Passes in Front of the Sun
This celestial event only takes place around 13 times a century.
Transit of Mercury: Everything You Need to Know About Rare Celestial Event
Mercury transits take place only around 13 times a century.
When Does Fall Start? Autumnal Equinox Marks First Day of the Season
No, the first day of fall is technically not marked by the return of the pumpkin spice latte (although, unofficially, it kind of is).
Jupiter Was Hit by Another Planet 4.5 Billion Years Ago, Scientists Say
The latest findings could help to explain some puzzling measurements collected by the Juno spacecraft, which is currently orbiting the planet.
What Planets Will Retrograde in August?
The bright side is that you likely won't notice them in a really personal conflicting way like when Mercury is retrograde, according to astrologers.
Earth's Tectonic Plates Began Moving Around 2.5 Billion Years Ago
When exactly plate tectonics emerged and how it has evolved through time are two of the most significant and hotly debated questions in Earth sciences today.
NASA Animation Shows Time Lapse of Exoplanet Discovery Over 28 Years
More than 4,000 planets beyond our solar system have been discovered since the first in 1992.