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A technician examines one of Perseverance's sample tubes at the Jet Propulsion Laboratory. When the tube returns to Earth, it will contain Mars rocks and, just maybe, hints of alilen life. (Credit: NASA-JPL/Caltech)

The Sciences

If Perseverance Finds Evidence of Life on Mars, How Will We Recognize It?
mars jezero crater

The Sciences

Jezero Crater: A Closer Look at the Perseverance Rover's Landing Site
clouds of venus

The Sciences

Life in the Clouds of Venus? Maybe Not.
Interstellar Probe would build on the technological legacy of the Voyager missions, but go twice as fast and at least twice as far. (Credit: JHU-APL)

The Sciences

Kirby Runyon is Ready to Go Interstellar. Is NASA?
Parker Solar Probe

The Sciences

A Sun's Eye View of the Solar System
brown dwarf backyard worlds

The Sciences

Citizen Scientists Discover Dozens of ‘Failed Stars’ Near Earth
Magnetar - ESO

The Sciences

A Magnetar's Flare Just Helped Unlock the Secrets of These Strange Stars
telescopes on the moon

The Sciences

Arecibo is Dead. Should We Build Its Replacement on the Moon?
Kepler186fartistconcept

The Sciences

What Would Earth Look Like to Alien Astronomers?
Virgin Galactic Spaceship Cabin Interior

The Sciences

Who Has the Right Stuff to be a Private Astronaut?
In 2022, the DART mission will practice deflecting an asteroid by crashing into it. But for now, there are no known asteroids that actually need deflection. (Credit: NASA/JHU-APL)

The Sciences

One Less Thing to Worry About (Mostly)
NASA's OSIRIS-REx probe slammed into asteroid Bennu in October, grabbing a sample of the rocky surface. The outline indicates the relative size of the probe. (Credit: NASA-GSFC/University of Arizona)

The Sciences

We're Coming for the Asteroids. Are the Asteroids Coming for Us?
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