How NASA’s New Telescope Will Help Astronomers Discover Free-Floating Worlds
The Nancy Grace Roman Space Telescope will be able to detect small, distant planets without stars
How Three New Tools Will Revolutionize Our Understanding of the Sun
Two spacecrafts and a telescope are set to jumpstart a new age of solar astronomy
Mars Had Landslide-Powered Tsunamis That Put Earth's Mega-Waves to Shame
A huge mass of material fell down a mountain and into the Red Planet's ancient ocean.
After the Dinosaur-Killing Impact, Soot Played a Remarkable Role in Extinction
The famous impact 66 million years ago kicked up soot into the atmosphere that played an even bigger role in blocking sunlight than experts had realized
Streams of Stars Snaking Through the Galaxy Could Help Shine a Light on Dark Matter
When the Milky Way consumes another galaxy, tendrils of stellar streams survive the merger, containing clues about the universe's mysterious unseen matter
Disintegrating Planets Could Be the Key to Discovering What Worlds Are Made Of
Exoplanets that have been ripped apart by their host stars could provide an opportunity to measure the minerals of the galaxy
How Jupiter May Have Gifted Early Earth With Water
A new model of the solar system suggest we have gas giants to thank for our watery world
How Scientists Engineered Cassini’s Final Demise
After a rich scientific life, Cassini went out in a blaze, becoming one with the planet it had revolved around for so long
Could We See Glow-in-the-Dark Aliens From Earth?
Extraterrestrial life might make its own light to protect itself from harmful radiation
How and When Did Saturn Get Those Magnificent Rings?
The planet's rings are coy when it comes to revealing their age, but astronomers are getting closer
The Case for Going to Venus
Sending a probe to Earth’s lifeless twin could help us understand how life rises—and falls—on faraway planets
New Moon-Formation Theory Also Raises Questions About Early Earth
A new model of the impact that created the moon might upend theories about earth, too
Why the Universe Is Becoming More Habitable
The universe is far more welcoming to life today than it was when microbes on Earth arose—and will only grow more so
How a Young Jupiter Acted as Both Protector and Destroyer
Like a boisterous older sibling, the gas giant both beat up and protected young Earth
Mars Weather Forecast Calls for Massive Dust Storms -- Here's Why
Planetary-wide dust storms on Mars, lasting for months, may be linked to the motion of the Red Planet around the solar system.
Radiation Remains a Problem for Any Mission to Mars
Engineers have yet to find ways to protect astronauts from cosmic rays and solar radiation
Avalanches on Comets May Help Make the Icy Bodies Visible
Tumbling rocks may have lit up Comet Hartley 2, allowing its discovery in 1986
Pluto May Have a Wandering Heart
The enormous impact basin may be slowly traveling across the dwarf planet’s surface
A Giant Planetary Smashup May Have Turned Venus Hot and Hellish
A collision with a large object may have triggered changes deep inside the planet that ultimately affected its atmosphere
Where Are All the Aliens? Taking Shelter From the Universe's Radiation
Earlier life-forms across the cosmos may have faced thousands to millions of times the cosmic ray dose that we do today
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