Solar System

A solar flare erupts from the sun on June 20, 2013, seen at the left of the image.

Superflares Erupt From Sun-Like Stars Roughly Every 100 Years, a New Study Finds. Is Our Sun Overdue for a Massive Blast?

Solar flares and coronal mass ejections could cause serious damage to telecommunications systems, satellites and power grids here on Earth

An artist's illustration shows the James Webb Space Telescope peering out into the solar system toward the asteroid belt.

Astronomers Detect the Smallest Main Belt Asteroids Ever Found by Repurposing a Technique for Exoplanet Discovery

An unusual approach to spotting tiny asteroids uses James Webb Space Telescope data in a boost for planetary defense research

This image of the Geminid meteor shower, as seen from China, earned first place in the 2021 astrophotography contest by the International Astronomical Union Office of Astronomy Education.

How to Watch the Geminid Meteor Shower This Weekend

The peak of this popular annual meteor shower risks being washed out by an almost full moon this year—but stargazers can still spot shooting stars if they follow the right tips

A Hubble Space Telescope portrait of Jupiter, captured in August 2019, shows the gas giant's cloud bands and storms in detail, including its iconic Great Red Spot.

Look Up for a Dazzling View of Jupiter This Weekend as It Shines Its Brightest of the Year

On December 7, the “king of planets” will line up with the Earth and sun in an event known as opposition. It will be visible all night and offer prime viewing, especially through binoculars or a telescope

A stock illustration of an asteroid near Earth. Astronomers believe our "mini-moon" originated from the Arjuna asteroid belt.

Earth Bids Goodbye to Its 'Mini-Moon' as Astronomers Investigate Where Our Planet's Asteroid Companion Came From

Preliminary research suggests asteroid 2024 PT5, which stuck around Earth for almost two months, has lunar origins

This view is just part of a new, high-resolution image of the sun's full surface captured by the Polarimetric and Helioseismic Imager (PHI) on the Solar Orbiter spacecraft.

Check Out the Highest-Resolution Images Ever Captured of the Sun's Entire Surface

Four new images show our nearest star in dazzling detail, with each one made up of 25 shots observed by the Solar Orbiter in 2023

The Super Hunter's Moon of October 2024 rises over a headland near Bondi Beach in Sydney, Australia.

See the Full Beaver Moon on Friday, the Last Dazzling Supermoon of 2024

November's spectacle closes out a series of four big and bright full moons that have captivated sky watchers since late summer

In 1986, Voyager 2 took this image of Uranus during its flyby.

Voyager 2 Measured a Rare Anomaly When It Flew Past Uranus, Skewing Our Knowledge of the Planet for 40 Years, Study Suggests

The roughly six-hour flyby in 1986 revealed Uranus' protective magnetic field was strangely empty. Now, researchers say that the data could have been affected by a solar wind event

Image captured by Juno during its 66th perijove, then further processed with color enhancement by Gerald Eichstädt and Thomas Thomopoulos.

Check Out the Stunning New Images of Jupiter From NASA's Juno Spacecraft

On its 66th flyby of the king of planets, Juno has captured spectacular views of the stormy atmosphere, processed by citizen scientists

In a version of the iconic "Pillars of Creation" image, the James Webb Space Telescope turned its powerful near-infrared-light cameras on the Eagle Nebula in 2022.

This Stunning New Atlas Explores Humanity’s Ancient Relationship With Space and the Universe

Written by the former chief historian of NASA, the book examines the evolution of our cosmic understanding—from early civilizations to the present day

NASA's aging Voyager 1 spacecraft entered interstellar space in 2012 and has faced a handful of technical issues over the last year, even as it continues to collect scientific data.

Voyager 1 Breaks Its Silence With NASA via a Radio Transmitter Not Used Since 1981

The farthest spacecraft in the universe went momentarily rogue, but scientists breathed a sigh of relief when it reconnected at an unexpected radio frequency

A photo of Neptune, taken by the Voyager 2 probe, with the colors rebalanced to represent its truest appearance

The Six Most Amazing Discoveries We’ve Made About Neptune

Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space telescopes

A color-enhanced photo of Pluto that was captured by the New Horizons spacecraft in 2015

The Seven Most Amazing Discoveries We’ve Made About Pluto

Though technically not a planet, it has as rich geology as any of its planetary siblings in the solar system

The Perseid meteor shower over Inner Mongolia, China, on August 14, 2023. When a meteor falls to the ground, it's called a meteorite.

Astronomers Uncover the Origin of Most of Earth's Meteorites, Shedding Light on Our Solar System's Past

Prior to the new research, scientists had traced the source of just 6 percent of the known meteorites that fell on our planet

The Orionids will be visible from both hemispheres, but they may be somewhat obscured by light from the moon.

How to Watch the Bright and Speedy Orionid Meteor Shower

While the Orionids, peaking early Sunday and Monday, might be hard to see because of the waning gibbous moon, these zippy meteors can produce long "trains" that last up to several minutes

A full moon rises in Denali National Park and Preserve in Alaska. The full moon this week is the closest one of the year.

See the Super Hunter's Moon Tonight, the Biggest and Brightest Full Moon of the Year

This week's supermoon is closer to Earth than any other in 2024

An artist’s depiction of NASA’s Europa Clipper spacecraft

NASA Launches Europa Clipper to Search for Signs of Life on Jupiter’s Moon

The huge spacecraft is headed toward the icy moon Europa, where it will use an array of instruments to survey for geologic activity, magnetism and more

The northern lights, seen from Alaska on October 7, 2024

You Could See Dazzling Auroras Tonight as 'Strong' Solar Storm Hits. Here's What to Know

Predicted to bring the northern lights as far south as parts of California and Alabama, a large coronal mass ejection from the sun collided with our planet Thursday morning

NASA astronaut Matthew Dominick captured this image of comet C/2023 A3 (Tsuchinshan-ATLAS) from the International Space Station, when the comet was 99.4 million miles away on September 22, 2024.

How to See the Bright Comet Flaring Up in the Night Sky This Week

Comet Tsuchinshan-ATLAS should be visible to the naked eye as it passes Earth on its way out of our solar system

Comet C/2023 A3 (Tsuchinshan-ATLAS) on September 28, 2024.

Two Comets Could Be Visible to the Naked Eye This Fall. Here's How to Get the Best View

While expectations are high for some special sightings, experts warn that comets are notoriously fickle and unpredictable

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