Latest articles by Meredith Garofalo
Sun erupts with powerful X2.3 solar flare, triggers radio blackouts (video)
A X2.3 solar flare Wednesday morning (Nov. 6), leading to shortwave radio blackouts for parts of the southern hemisphere.
X-class Halloween solar flare erupts from sun, causes radio blackouts (video)
The sun erupted with an X-class solar flare on Halloween, and solar activity is expected to remain high through Nov. 3.
Solar Cycle 25 is still in max phase, so more aurora-boosting sun storms could be coming
Solar Cycle 25 remains in its maximum phase, and more powerful sun storms are likely to come over the next few months, experts say.
Severe solar storm could supercharge auroras across US, impact power grids, NOAA warns
A powerful X-class solar flare that erupted on Tuesday (Oct. 8) could generate a strong geomagnetic storm Thursday (Oct. 10) and Friday (Oct. 11), possibly leading to supercharged auroras.
Comet Tsuchinshan-ATLAS photobombs SOHO spacecraft during powerful solar flare (video)
The SOHO spacecraft captured amazing imagery of Comet C/2023 A3 (Tsuchinshan-ATLAS) zooming near the sun as the star unleashed a powerful X flare.
The sun fires off another powerful X flare, triggering radio blackouts across the Americas (video)
An X2.1 solar flare erupted from the prolific sunspot AR 3842 on Monday (Oct. 7), triggering radio blackout across North and South America.
College students confirm long-held prediction about atmospheric gravity waves
College students are making "waves" with a discovery they made during the annular solar eclipse on Oct. 14, 2023.
Sun unleashes monster X7.1 flare that could supercharge Earth auroras (video)
Just when we thought the sun was taking a bit of a break, the sunspot AR3842 fired off two powerful solar flares, including a monster X7.1.
'Surprising' warmth above Antarctica is earliest observed on record
Temperature fluctuations above Antarctica in winter show the earliest warming of the stratosphere on record.
Sun fires off X-class solar flare, increasing aurora viewing chances into weekend
The sun unleashed an X1.3-class solar flare on Thursday (Sept. 12), increasing the likelihood of widespread auroras this weekend.
Satellites watch Hurricane Francine make landfall as a Category 2 storm in Louisiana (video)
Hurricane Francine, the sixth storm of this year's Atlantic hurricane season, made landfall on the Louisiana coast late afternoon on Wednesday.
Satellites watch Tropical Storm Francine threaten Gulf Coast (video)
Satellites operated by the U.S. National Oceanic and Atmospheric Administration watched Tropical Storm Francine strengthen as it approaches the Gulf Coast.
'A lot has changed': NOAA is rewriting the book on how to rank solar storms
NOAA is researching how to update its Space Weather Scales and how it can better communicate its space weather forecasts with the public and government agencies.
NASA's solar sail successfully spreads its wings in space
NASA's Advanced Composite Solar Sail System successfully spread its "wings" in space.
NASA challenged the public to make 'deep space food' — here are the winners
Three U.S. teams in NASA's Deep Space Food Finale won a combination of $1.25 million for developing delicious and safe food for astronauts.
Scottish rocks could hold clues about Earth's past as a snowball
A recent study confirms a European rock formation likely holds the clues to what was once a "snowball Earth."
The sun might've just had a record-breaking number of visible sunspots
For the first time in more than 20 years, the daily record for sunspots is likely to be broken during Solar Cycle 25.
July 2024 sets new records for global heat and climate disasters
July is in the books as yet another record-setting month of extreme heat and weather.
NASA may use lasers to livestream from the moon one day
Getting a live play-by-play of astronauts on the moon could be possible through laser communications during future Artemis missions.
New ISS research project will benefit cancer patients on Earth
AI space biotech company shares with Space.com how a new research project in space will help benefit cancer patients on Earth.
Sun unleashes X-class solar flare, blasts 3rd coronal mass ejection toward Earth in a week (video)
Active sunspot AR3777 fired off the strongest of its three solar flares this week, sending another CME to impact Earth this weekend with a possible geomagnetic storm.
Space Perspective unveils mothership boat for stratospheric balloon trips
The first-ever "marine spaceport" is now complete and begins preparing for launches of balloons transporting tourists to the edge of space.
Meet the crew for Axiom Space's Ax-4 mission to the ISS
The next team of astronauts has been announced for Axiom Space's next commercial human spaceflight mission to the ISS.
