From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

You're going to see a lot of stories in 2026 claiming soon-to-be-achieved science and tech advances. Here are the ones just ...

From signs of life on Mars to an interstellar visitor and weakening dark energy, 2025 reshaped space science, raising the ...

If TOI-561 b has an atmosphere, it would mean even rocky exoplanets exposed to the harshest conditions can have air, providing new insights for scientists on the hunt for habitable worlds elsewhere in ...

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

A study using the Very Large Array radio telescope may have discovered a magnetic field on exoplanet YZ Ceti b. Magnetic ...

On Friday, December 19, 2025, comet 3I/ATLAS will make its closest approach to Earth. 3I/ATLAS can be found near the constellation Leo when it reaches its closest distance to Earth, overnight on ...