Massive comet zooming through solar system could be alien technology, Harvard astrophysicist says
New data shows 3I/ATLAS is three to five orders of magnitude more massive than previous objects.
NASA has 36 projects you can help with right now
NASA is inviting the public to take part in 36 “citizen science” projects that let volunteers contribute to real scientific discoveries.
Life on Mars: What we know after NASA's announcement
NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ancient microbial life on Mars, though more analysis is needed before drawing firm conclusions.
Rocks found by NASA's Mars rover offer strongest hints yet of past life
Rocks found on Mars may provide the strongest evidence yet of past life on the Red Planet, but more testing is needed to back up those findings.
Total lunar eclipse coinciding with this weekend’s full moon
This month’s full moon coincides with a lunar eclipse – but it unfolds on the opposite side of the world Sunday night and early Monday.
September skygazing guide: Saturn shines bright, Corn Moon and Autumnal equinox
Early risers have the chance to see six planets at once.
See the clearest photo yet from the surface of Mars
NASA says its Perseverance rover on Mars has transmitted new imagery that forms one of the sharpest panoramas of the Martian surface to date, offering scientists valuable insight into the Red Planet’s terrain.
A rare ‘Black Moon’ set to rise this week: What to know
Stargazers will soon get the chance to experience a rare celestial event known as a Black Moon, set to occur this week.
New theory behind mysterious object in night sky over Philadelphia
The mystery continues about a bright, swirling object spotted in the night sky over Philadelphia earlier this week!
What was spotted in the skies above the Philadelphia area overnight Tuesday?
An ascending rocket or something from beyond our world?
Perseid Meteor Shower 2025: When and where to watch this week
The Perseids meteor shower, considered the best of the year by NASA, is set to peak soon.
Summer's best meteor shower peaks this week: How and when to watch
The annual Perseid meteor shower will peak this Tuesday and Wednesday. Here's everything you need to know:
Vaping on plane: Man apologizes after Phoenix-to-San Francisco flight incident
“It sucks knowing in order to be myself, I have to have nicotine," said Peter Nguyen.
James Lovell, astronaut and Apollo 13 commander, dies
Astronaut James Lovell, who was commander of the 1970 Apollo 13 mission, has died. Here's what we know.
Curiosity rover finds more coral-shaped rocks on Martian surface
The rock was nicknamed "Paposo."
Full Sturgeon Moon, Perseid meteor shower and planetary conjunction to light up August skies
Here is your August 2025 guide for celestial events. The year will feature 12 full Moons, plenty of meteor showers, four eclipses and three Supermoons.
SpaceX Crew-11 launches from Florida, headed to ISS: Watch replay
NASA and SpaceX successfully launched the Crew-11 mission from Kennedy Space Center in Florida on Friday, and the spacecraft is now en route to the International Space Station (ISS).
Potential asteroid impact on Moon in 2032 could trigger massive meteor shower on Earth
If Asteroid 2024 YR4 crashes into the Moon in 2032, it would be the largest impact in about 5,000 years, according to a new analysis.
July’s dueling meteor showers peak this week and could outshine August’s Perseids
Skygazers will be treated to dueling meteor showers converging as the Alpha Capricornids and the Southern Delta Aquarrids both reach peak activity.
Watch two meteor showers at once: Best time to see the Delta Aquariids and Capricornids
Two meteor showers—Southern Delta Aquariids and Alpha Capricornids—will peak before dawn on July 30, lighting up the sky with minimal moonlight interference.