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5 mins read
How to see Comet A3, which could be the best comet in a decade. Neanderthals walked the Earth last time it flew by.
Comet A3 hasn't been past Earth since the Neanderthals. It'll be visible across the Northern Hemisp…
Morgan McFall-Johnsen
2 mins read
A comet larger than Everest will streak through the night sky in the coming weeks. Here's how to see it.
12P/Pons-Brooks, a comet with possible volcanic activity on its surface, will become increasingly v…
Marianne Guenot
2 mins read
Comet Neowise will burn bright over India for the next 20 days after two earlier comets fizzled out
Comet Neowise will be visible in India’s skies for the next 20 days as it approaches the Sun for th…
1 min read
The asteroid NASA crashed into looks like a comet now, with a forked tail, Hubble image reveals
NASA is watching the asteroid Dimorphos closely since the DART spacecraft slammed into it. The come…
Morgan McFall-Johnsen
2 mins read
See the rare green comet in pictures so you know what to look for in the sky
Night-sky photography is offering a sneak peek at the green-comet spectacle you could spy with bino…
Morgan McFall-Johnsen
3 mins read
NASA captures an exploding comet on its hunt for planets outside our solar system
The National Aeronautics and Space Administration (NASA) was on the hunt for planets outside our …
2 mins read
We may be the only humans to ever see the green Comet Nishimura. Here's how, when, and where to spot it best.
See the Green Comet Nishimura now or possibly never. The iridescent, celestial body is gracing our …
Morgan McFall-Johnsen,Mariann…
3 mins read
An asteroid is acting like a comet — confirming what scientists have speculated for years
Asteroid 2019 LD2 isn't your typical space rock, and it's not acting like it either.
2 mins read
The real science behind the mysterious 'Devil Comet' that's larger than Mount Everest and erupting for reasons scientists don't fully understand
The 12P/Pons-Brooks comet is passing by Earth for the first time in the 21st century.
Jessica Orwig,Charles R. Davis
2 mins read
The Green Comet will be closest to earth on Feb 1. Here's the science behind its ghoulish glow.
A comet is essentially a galactic snowball. Physics explains why the green comet's head is green, b…
Marianne Guenot
2 mins read
Asteroid gets caught changing colours for the very first time
Asteroid’s aren’t supposed to leave two trails of dust behind them — and neither were they supposed…
4 mins read
We could be the last humans to see the green comet passing Earth for the first time since the Ice Age. Here's how, where, and when to watch it.
Bright green Comet ZTF may be visible to human eyes for the last time ever. Here's how, when, and w…
Morgan McFall-Johnsen,Kenneth…
2 mins read
This comet was supposed to be the brightest of 2020 — now it's falling apart in the skies above us
Comet ATLAS was supposed to be the brightest comet of 2020 — so bright that people would be able …
4 mins read
Comet Neowise is a dazzling sight, but it's also a reminder of how woefully unprepared we are for dangerous asteroids
A NASA telescope spotted Comet Neowise by sheer luck three months ago. If the comet were a killer a…
Morgan McFall-Johnsen
3 mins read
A jaw-dropping 4K video shows Comet Neowise rising above planet Earth from the view of an astronaut in space
Astronauts at the International Space Station photographed Comet Neowise rising above Earth on July…
Dave Mosher
1 min read
Where, when, and how to watch this week's meteor shower created by Halley's Comet
The most meteors will fall between Oct. 20-22. Expect to see between 10-30 meteors an hour. The bes…
Gene Kim,Jessica Orwig
2 mins read
This awesome GIF shows what the Philae lander saw when it landed on a comet for the first time ever
That bumpy landing may have been a blessing in disguise. Between bounces, Philae was able to analyz…
Jennifer Welsh,Kelly Dickerson
4 mins read
A mission almost 30 years in the making has just profoundly changed what we know about comets
The probe bounced high off the comet twice before tumbling down to a completely unintended landing …
Kelly Dickerson
3 mins read
How to watch this week's meteor shower created by Halley's Comet
Although Halley's comet, a ball of ice and rock left over from the formation of our solar system, o…
Ali Sundermier
3 mins read
How to watch October's stunning meteor shower created by Halley's Comet
If you can't check it out in person, you can always watch the live webcast from the online observat…