Astronomy

James Webb Space Telescope: Why dirt may ruin our best view of aliens

When will we see the Milky Way's black hole? Why 2021 is an exciting year

Perseverance hunts for life and more: Understand the world in 8 images

Look: Astronomers clearly capture planets and moons forming in deep space

Perseverance's hunt for ancient life reveals 2 Red Planet discoveries

Perseids: You need to see 2021's brightest celestial shower in the summer sky

What will happen after Earth is destroyed by the Sun? A possibility for new life

Apollo 11 anniversary: 9 Moon images that illuminate our place in the universe

Blue Origin: 9 moments from Jeff Bezos’ historic space launch

Look: Scientists imaged an intensely powerful force coming from a black hole

Watch: NASA's Juno mission flies by Jupiter and Ganymede

To host complex life, planets have to have this one quirk

Stunning images of nearby galaxies show how stars are formed: Look

Full Buck Moon 2021: How to see summer's gorgeous first full Moon

Delta Aquariids: How, when, and where to watch this marvelous summer shower

What Carl Sagan’s ‘Star Wars’ video gets right about life in space

Venus and Mars align: How to spot celestial conjunctions

New space volcanoes change the search for life on Venus

The cause of Jupiter’s glowing “northern lights” is finally revealed

Could there be life on the saddest planet in the universe?

To find aliens, scientists are hunting for interstellar encrypted messages

Rogue planets: NASA's new target could redefine our understanding of life

How much oxygen does life need? The answer is less than you think

Super-precise atomic clocks are the future of space travel

Aphelion Day 2021: Here's when the Earth will be furthest from the Sun

Zhurong rover footage and more: Understand the world through 9 images

NASA’s Hubble telescope fiasco gives China a huge opportunity

Moon-sized “zombie” star challenges what we know about celestial evolution

Black holes eat neutron stars for breakfast — and burp out gravitational waves

How do we look for real aliens? 4 projects better than the Pentagon report

What if your face mask could detect pathogens? It's being developed now.

UFO Pentagon report: 5 mind-blowing revelations finally confirmed

New study disputes the theory of aliens living in the clouds over Venus

Thousands of physicists are working together to redefine the cosmos

Russia and China are racing to beat NASA back to the Moon

The Pentagon UFO report is out — here's what it says (and doesn't say)

NASA's Hubble Space Telescope woes reveal an even bigger flaw

Scientists now have some ultra-prime targets to look for aliens

Astronomers discover new dwarf planet or strange comet on eccentric orbit around the Sun

To understand what aliens may look like, find a mirror: Cambridge biologist

A new study on red dwarf stars could resolve the paradox of alien life?

NASA is trying to deal with its most annoying problem on the Moon

7 mysteries about Venus that could soon be solved

Look: Here’s how astronauts learned to walk in space

How's your year going so far? Why June 21 is a good day to take stock.

Indiana Jones in space: Inside the fascinating world of galactic archaeology

Exo-Titans: why the moons of rogue planets could surprise us with alien life

Particles from deep space could be used to fight Covid-19

A new understanding of young stars can help us hunt for life in space

Scientists at LIGO are one step closer to solving general relativity’s biggest problem