21–40 of 808 results
Incoming point

Explore the Night with Bob King

"Potentially Hazardous" Asteroid Is Headed For Your Telescope

A potentially hazardous asteroid makes a flyby of Earth this Friday, offering amateurs with modest telescopes a chance to ride along.

Comet 2I/Borisov

Solar System

Interstellar Comet Borisov "Indistinguishable" from Solar System Comets

The solar system's newest interstellar visitor, Comet 2I/Borisov, bears a striking resemblance to the icy population of the outer solar system.

Saturn's new moons

Solar System

Help Name Saturn’s 20 Newfound Moons

Astronomers have found 20 new moons circling Saturn — now you can help name them!

Mars Mole

Spacecraft and Space Missions

Work to Save NASA's "Mole" on Mars Continues

NASA engineers hope to use the scoop at the end of the lander's robotic arm to get the Insight lander's heat probe burrowing once again.

Venus in false-color

Solar System

The Clouds of Venus Puzzle Scientists

Japan’s Akatsuki spacecraft has revealed some previously unknown dynamics in the Venusian atmosphere, but their origin is far from clear.

Dust devil on Earth

Solar System

Video: Chasing Dust Devils

Scientists are flying instrument-laden drones through whirlwinds on Earth to better understand their counterparts on other worlds in the solar system.

Loki Patera

Solar System

When Will This Trickster Volcano Erupt?

Loki, a faraway volcanic feature on Jupiter’s moon Io, is acting up and planetary scientists want to know why.

Interstellar Comet Borisov

Explore the Night with Bob King

Will Amateurs Be Able to See the New Interstellar Comet?

Only the second object thus far to visit the solar system from interstellar space, Comet Borisov is expected to reach perihelion in December. What can we see now?

Saturn's Rings

Solar System

Planetary History Written in Saturn’s Rings

Saturn is subtly pulsing and oscillating — and those oscillations impose a pattern on its rings that could tell us about the planet’s history.

Curiosity selfie

Solar System

A Possible Solution to Mars’s Methane Problem

A small amount of seepage could explain conflicting measurements of methane in the Martian atmosphere.

Astronomy in Space with David Dickinson

Image Sleuth Spots "Churyumoon" Around Rosetta's Comet

A tiny, 4-meter fragment dubbed Churyumoon has been spotted orbiting Comet 67P Churyumov-Gerasimenko, which the Rosetta mission visited in 2014–2016.

Artist's concept of Beta Pictoris system

Stellar Science

Beta Pic's New Planet, Jupiter’s Fuzzy Core & An Ancient Star

Astronomers announce another planet around Beta Pictoris, simulations explain Jupiter's large and fuzzy core, and observations reveal an ancient star.

Solar System

NASA Selects Final Four Asteroid Landing Sites for Osiris-REX

The Osiris-REX spacecraft will sample one of four sites on the asteroid Bennu in July 2020.

Yutu 2 makes tracks

Solar System

New Images from China's Chang'e 4 as Eighth Lunar Day Ends

China’s Chang’e 4 mission is continuing its science and exploration work on the farside of the Moon, having completed its eighth lunar day of activities on Wednesday.

Fireball Over Ontario

Explore the Night with Bob King

Fireball May Have Dropped Meteorites in Ontario

A lime-green meteor as bright as the full Moon streaked across Canadian skies on July 24th and may have delivered free samples from the asteroid belt.

lander and rover

Solar System

India Heads to the Moon With Chandrayaan 2

India enters the 21st-century race to the Moon with its Chandrayaan 2 mission.

Buzz Aldrin and the first ALSEP

Solar System

The Science of Apollo

Apollo 11 broke new ground for exploration, but along the way NASA squeezed as much science as it could out of this and subsequent missions landing on the Moon. From President John F. Kennedy’s 1961 mandate to the moment when Apollo 17 departed the Moon in 1972, Apollo was about…

Orbit of asteroid 2019 LF6

Solar System

Sky-surveying Telescopes Sweep Up Near-Earth Asteroids

Discoveries include a near-Earth asteroid with the shortest “year” and another found hours before it burned up in Earth’s atmosphere.

HP3 cropped

Solar System

A Strategy to Get the Mars Insight Lander Back in the Drilling Business

Insight's robotic arm has uncovered the lander's "mole," as NASA and German aerospace engineers work to get it drilling once again.

Illustration of proposed Titan lander

Solar System

We’re Going to Titan! Dragonfly Drone Will Explore Saturn’s Biggest Moon

NASA has selected its next New Frontiers mission: Dragonfly, a rover-sized drone will begin ‘coptering around Titan in 2034.

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