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How far back in time can we see?
How far back in time can we see? Earendel is the farthest star we've seen. The cosmic microwave background reveals the universe's first light. Can we see more?
August 20, 2023
Surf’s up! Waves on heartbeat star are as tall as 3 suns
Giant waves on heartbeat star MACHO 80.7443.1718 are as tall as 3 suns, astronomers say. They give a new meaning to the phrase "surf's up!"
August 18, 2023
The colors of Earendel, farthest known star
The Webb space telescope has looked at the colors of Earendel, the most distant known star. The new data shows that the star likely has a redder companion star.
August 17, 2023
Ancient ‘honeycomb’ mud on Mars boosts chances for life
NASA's Curiosity rover has discovered ancient honeycomb-patterned mud on Mars. The now bone-dry mud is evidence of cyclic wet-dry periods in Mars' past.
August 16, 2023
The centuries-long effects of Saturn storms
A team of researchers has found that huge Saturn storms - megastorms much larger than hurricanes on Earth - can last for hundreds of years at a time.
August 13, 2023
How DART deflected an asteroid (but released a boulder swarm)
Thanks to DART, we minutely deflected the asteroid from its path in the name of planetary defense. But we also released a boulder swarm.
August 11, 2023
Powerful winds from cool stars can threaten exoplanets
A new study from researchers in Germany shows that stellar winds from cool stars with strong magnetic fields can be more powerful than ones from hotter stars.
August 10, 2023
Webb telescope provides unique view of 2 Jupiter moons
NASA's Webb telescope has captured spectroscopic and infrared views of 2 of Jupiter's moons, Ganymede and Io, providing new insights into these distant worlds.
August 8, 2023
Was Mars’ Olympus Mons volcano once an island?
Scientists in France have found new evidence that the largest volcano on Mars, Olympus Mons, was once a volcanic island surrounded by an ancient northern ocean.
August 2, 2023
Rogue planets by the trillions in our Milky Way?
A new study predicts that NASA's upcoming Roman space telescope will find 400 Earth-mass rogue planets. These worlds drift freely in space, unbound to any star.
July 30, 2023
