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What Kinds of Astronomy Could Be Done With a Telescope on the Moon?
For decades, astronomers have said that one of the most optimal places to build large telescopes is on the surface of the Moon. The Moon has several advantages over Earth- and space-based telescopes...
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Watch the Varda Capsule’s Entire Fiery Atmospheric Re-Entry
Here’s a front row seat on what it would be like to return to Earth inside a space capsule. Varda Space Industries’ small W-1 spacecraft successfully landed at the Utah Test and Training Range on...
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Now You Can See Exactly Where Hubble and JWST are Pointed
Hubble and JWST are busily scanning the sky, sending home enormous amounts of data. They shift from target to target, completing the required observations. But have you ever wondered what those two...
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Astronomers Image 62 Newly-Forming Planetary Systems
Astronomers using the Very Large Telescope in Chile have now completed one of the largest surveys ever to hunt for planet-forming discs. They were able to find dozens of dusty regions around young...
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It's Time for Jupiter's Annual Checkup by Hubble
Each year, the Hubble Space Telescope focuses on the giant planets in our Solar System when they’re near the closest point to Earth, which means they’ll be large and bright in the sky. Jupiter had its...
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Improving a 1960s Plan to Explore the Giant Planets
In the 1960s, NASA engineers developed a series of small lifting-body aircraft that could be dropped into the atmosphere of a giant planet, measuring the environment as they glided down. Although it...
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The Mars Science Helicopter Could be an Airborne Geologist on Mars
After over 70 successful flights, a broken rotor ended the remarkable and groundbreaking Ingenuity helicopter mission on Mars. Now, NASA is considering how a larger, more capable helicopter could be...
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Gaia Finds Ancient Streams of Stars That Formed the Milky Way
Using ESA’s Gaia spacecraft, astronomers have tracked down two streams of stars that likely formed the foundation of the Milky Way. Named “Shakti and Shiva,” the two streams contain about 10 million...
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NASA Reveals its Planetary Science Goals for Artemis III
If all goes well, NASA’s Artemis III mission will bring humans back to the Moon as early as 2026, the first time since the Apollo 17 crew departed in 1972. It won’t be a vacation, though, as...
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Someone Just Found SOHO's 5,000th Comet
The Solar and Heliospheric Observatory (SOHO) was designed to examine the Sun, but as a side benefit, it has been the most successful comet hunter ever built. Since early in the mission, citizen...
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Juno Reveals a Giant Lava Lake on Io
NASA’s Juno spacecraft came within 1,500 km (930 miles) of the surface of Jupiter’s moon Io in two recent flybys. That’s close enough to reveal new details on the surface of this moon, the most...
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Purple Bacteria — Not Green Plants — Might Be the Strongest Indication of Life
Astrobiologists continue to work towards determining which biosignatures might be best to look for when searching for life on other worlds. The most common idea has been to search for evidence of...
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Uh oh. Hubble's Having Gyro Problems Again
The Hubble Space Telescope has gone through its share of gyroscopes in its 34-year history in space. Astronauts replaced the gyros during the last servicing mission in 2009, bringing it back up to six...
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How Knot Theory Can Help Spacecraft Can Change Orbits Without Using Fuel
When a spacecraft arrives at its destination, it settles into an orbit for science operations. But after the primary mission is complete, there might be other interesting orbits where scientists would...
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This is an Actual Picture of Space Debris
Space debris is a growing problem, so companies are working on ways to mitigate it. A new satellite called ADRAS-J was built and launched to demonstrate how a spacecraft could rendezvous with a piece...
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Solar Orbiter Takes a Mind-Boggling Video of the Sun
You’ve seen the Sun, but you’ve never seen the Sun like this. This single frame from a video captured by ESA’s Solar Orbiter mission shows the Sun looking very …. fluffy! You can see feathery,...
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Solar Max is Coming. The Sun Just Released Three X-Class Flares
The Sun is increasing its intensity on schedule, continuing its approach to solar maximum. In just over a 24-hour period on May 5 and May 6, 2024, the Sun released three X-class solar flares measuring...
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If You’ve Never Seen An Aurora Before, This Might Be Your Chance!
Tonight and the rest of the weekend could be your best chance ever to see the aurora. The Sun has been extremely active lately as it heads towards solar maximum. A giant Earth-facing sunspot group...
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What a Weekend! Spectacular Aurora Photos from Around the World
“A dream come true.”“I never expected this!”“The most amazing light show I’ve ever seen in my life!”“Once in a lifetime!”“No doubt, this weekend will be remembered as ‘that weekend.’” That’s how...
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Next-Generation Radar Will Map Threatening Asteroids
When the Arecibo Observatory dish in Puerto Rico collapsed in 2020, astronomers lost a powerful radio telescope and a unique radar instrument to map the surfaces of asteroids and other planetary...
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