Here’s How Astronomers Are Looking for Alien Life Beyond Earth

A radio telescope listening for alien messages.

The earliest written record presenting the idea of 'aliens' is seen in the satiric work of Assyrian writer Lucian of Samosata dated to A.D. 200. (Image: 12222786 via Pixabay)

NASA’s NEOWISE Telescope Takes 12-Year Time-Lapse Movie of the Entire Sky

The Milky Way galaxy.

Pictures of the sky can show us cosmic wonders; movies can bring them to life. Movies from NASA’s NEOWISE space telescope are revealing motion and change across the sky. (Image: via Pixabay)

Making Sense of the Nonsensical: Black Holes and the Simulation Library

A black hole.

The international Event Horizon Telescope collaboration has snapped a second image of a black hole — this time at the center of our own Milky Way galaxy. But to give the image meaning, the collaboration had to compare it with black hole simulations. (Image: via Pixabay)

NASA’s James Webb Space Telescope Primed to Lift the Haze Surrounding Sub-Neptune Planets

Illustration of an exoplanet and its sun.

Detailed atmospheric studies will provide key insights into some of the most common – and mysterious – planets known in the galaxy. (Image: D. Player (STScI) via NASA, ESA, and CSA)

NASA’s Roman Space Telescope Selects 24 Flight-Quality Heat-Vision ‘Eyes’

A technician holds one of Roman's detectors.

A technician holds one of Roman's detectors. (Image: Chris Gunn via NASA)

Astronomers Produce Largest 3D Catalog of Galaxies

Pan-STARRS1 survey.

Pan-STARRS1: Survey image of the sky. (Image: R. White via STScI)

Chronicling Spitzer Space Telescope Legacy

The Spitzer Space Telescope.

The Spitzer Space Telescope made many important discoveries in the solar system during its 16-year-long mission. (Image: JPL-Caltech via NASA)

Webb Telescope Will Study Jupiter, Its Rings, and 2 Intriguing Moons

The planet Jupiter.

In addition to calibrating Webb's instruments for Jupiter's brightness, astronomers must also take into account the planet's rotation, because Jupiter completes one day in only 10 hours. (Image: OpenClipart-Vectors via Pixabay)

Stunning Space Butterfly Captured by ESO Telescope

The space butterfly of NGC 2899..

Resembling a butterfly with its symmetrical structure, beautiful colors, and intricate patterns, this striking bubble of gas — known as NGC 2899 — appears to float and flutter across the sky in this new picture from ESO’s Very Large Telescope (VLT). (Image: via ESO)

Secret Life of Lithium in Sun-like Stars: Created, Not Just Destroyed

The Milky Way Galaxy.

Since lithium is such a sensitive element, it is very useful for understanding stars. It acts as a tracer for what is happening inside stars. (Image: Luminas_Art via Pixabay)