21–40 of 1,041 results
Viking 1 image of Red Planet

Solar System

Tsunamis Carried Boulders Across Ancient Martian Ocean

Long-ago impacts tossed up the floors of an ancient ocean on the Red Planet and carried debris to the landing site of NASA’s Viking 1 lander.

Mars up close

Explore the Night with Bob King

Mars Mesmerizes at Opposition

It may not be the closest opposition, but this time around Mars arcs high across the sky where good seeing promises sharp views. That's not all. On December 7th, one night before opposition, the full Moon occults the Red Planet!

Titan

Solar System

New Images Track Clouds on Saturn's Largest Moon

Brand-new images from the James Webb Space Telescope and the Keck Observatory in Hawai'i reveal clouds beneath the haze on this enshrouded moon.

Comet ZTF (C/2022 E3) up close

Explore the Night with Bob King

Sneak Peek at Two Promising Comets

Ready to chase comets? We look at two fuzzy solar system travelers that will keep you on your toes all fall and winter long.

Oumuamua painting by Hartmann

Exoplanets

Was Interstellar Object `Oumuamua a Chunk of Exo-Pluto?

The interstellar pancake named 'Oumuamua might have been a chip off a Pluto-like object in another star system.

Stars and moon

Explore the Night with Bob King

Election Eclipse — Last Total Lunar Eclipse till 2025

Set the alarm and bring plenty of coffee. We've got a total lunar eclipse coming that you don't want to miss.

Auroral oval on Jupiter

Solar System

The Light Show of Jupiter’s Dark Side

The unique vantage point of NASA's Juno spacecraft has revealed a new side to Jupiter's auroras.

Radar examples

Solar System

Arecibo Legacy: New Data on Near-Earth Asteroids

The largest set of radar data for near-Earth asteroids will help us understand their origins and protect Earth from future impacts.

Impact

Astronomy in Space with David Dickinson

NASA Lander and Orbiter See (and Feel) New Mars Impacts

NASA's Mars Insight lander and Mars Reconnaissance Orbiter have witnessed two fresh new planet-probing impacts.

An astronaut from the Apollo 11 mission deploys a seismometer on the Moon.

Solar System

New Life for Lunar Seismic Data

A team of planetary scientists has reprocessed Apollo-era seismic data to meet modern forms, ensuring that these precious measurements remain usable for the next generation.

Ryugu

Solar System

Asteroid Samples Reveal Long Journey through the Solar System

Analyses of just 5.4 grams scooped from the asteroid Ryugu are delivering rich new insights into the history of the solar system.

Orionid composite

Explore the Night with Bob King

All About the Dust — Orionids and Zodiacal Light

It doesn't take much to create a spectacle when it comes to astronomical observation. Just a pinch or two of dust.

misshapen Polymele

Solar System

Winking Stars Help Map Asteroids — and Discover a New Moonlet

An innovative method enables astronomers to gauge the size and shape of a distant asteroid — and potentially any km-scale object in the solar system.

nearby view of ejecta streaming out from asteroid

Solar System

DART Asteroid Redirect Test Wildly Successful

They needed to shorten the moon’s orbit by 73 seconds. They shortened it by more than half an hour.

Moonrise

Explore the Night with Bob King

Full Moon Fringe Benefits

The upcoming Hunter's Moon reminds us of the many ways we can enjoy observing our humble satellite.

Europa

Solar System

Juno's Close View of Jupiter's Europa (New Photos!)

Juno will pass over the surface of Europa this week in our closest view since the Galileo mission, aiding future exploration efforts.

collection of still images showing a small white dot moving across a black background and dissolving into a plume of white dust

Solar System

Photos Show Drama of DART Asteroid Impact (Updated)

The DART impact into asteroid moon Dimorphos wowed astronomers with an unexpectedly dramatic plume.

Dimorphos' rocky surface

Spacecraft and Space Missions

NASA's DART Mission Successfully Impacts Asteroid

NASA's DART mission will impact the asteroidal moon Didymos on Monday. Here's how to watch and what we'll learn.

Close-up on glowing Neptune and its gossamer rings

Solar System

Neptune's Rings, Jupiter's “Frosted Cupcakes,” and 3D Views of Mars

Three solar system emissaries have returned beautiful and even interactive vistas of Neptune, Jupiter, and Mars.

Advertisement
Advertisement
Advertisement
Advertisement