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One of the planets around TRAPPIST-1 may have an ocean

New research gives updated climate models for the seven planets around the star TRAPPIST-1. The work could help astronomers more effectively study planets around stars...

A supernova 2.6 million years ago could have wiped out the ocean’s large animals

For many years, scientists have been studying how supernovae could affect life on Earth. Supernovae are extremely powerful events, and depending on how close they...
Hubble finds far-away planet vanishing at record speed

Hubble finds far-away planet vanishing at record speed

New discovery helps astronomers understand how planets evolve. The speed and distance at which planets orbit blazing stars can determine each planet's fate--whether the planet...

NASA’s InSight takes its first selfie on Mars

This is NASA InSight's first selfie on Mars. It displays the lander's solar panels and deck. On top of the deck are its science...

Scientists capture a young star forming like a planet

Astronomers have captured one of the most detailed views of a young star taken to date, and revealed an unexpected companion in orbit around...
Supermassive black hole powers cosmic fountain

Supermassive black hole powers cosmic fountain

Before electrical power became available, water fountains worked by relying on gravity to channel water from a higher elevation to a lower one. This water...

Where did the hot Neptunes go? A shrinking planet holds the answer

"But where did the hot Neptunes go?" This is the question astronomers have been asking for a long time, faced with the mysterious absence of...

NASA’s Hubble discovers a fast evaporating exoplanet

Fishermen would be puzzled if they netted only big and little fish, but few medium-sized fish. Astronomers likewise have been perplexed in conducting a census...

ALMA survey provides unprecedented views of the birth of planets

Astronomers have cataloged nearly 4,000 exoplanets in orbit around distant stars. Though the discovery of these newfound worlds has taught us much, there is still...

NASA’s Voyager 2 probe enters interstellar space

For the second time in history, a human-made object has reached the space between the stars. NASA’s Voyager 2 probe now has exited the heliosphere...